Home / 55,918-83,877-14,365

Finding the Fourth Proportional to 55,918, 83,877 and 14,365

Calculator

Solution

The fourth proportional to 55,918, 83,877 and 14,365 is: 21,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,918 : 83,877 = 14,365 : x
  2. Step 2: Convert to fraction form
    55,918/83,877 = 14,365/x
  3. Step 3: Cross multiply
    55,918x = 83,877 × 14,365
  4. Step 4: Simplify right side
    55,918x = 1,204,893,105
  5. Step 5: Solve for x
    x = 1,204,893,105/55,918
  6. Step 6: Final answer
    x = 21,547.50

Related Problems

Find fourth proportional to 27,959, 41,938.50 and 7,182.50
Half scale
Find fourth proportional to 111,836, 167,754 and 28,730
Double scale
Find fourth proportional to 55,919, 83,878.50 and 14,366
Similar ratio
Find fourth proportional to 83,877, 125,815.50 and 21,547.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.