Home / 15,918.06-23,877.63-4,231.29

Finding the Fourth Proportional to 15,918.06, 23,877.63 and 4,231.29

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Solution

The fourth proportional to 15,918.06, 23,877.63 and 4,231.29 is: 6,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.06 : 23,877.63 = 4,231.29 : x
  2. Step 2: Convert to fraction form
    15,918.06/23,877.63 = 4,231.29/x
  3. Step 3: Cross multiply
    15,918.06x = 23,877.63 × 4,231.29
  4. Step 4: Simplify right side
    15,918.06x = 101,033,177.04
  5. Step 5: Solve for x
    x = 101,033,177.04/15,918.06
  6. Step 6: Final answer
    x = 6,347.08

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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.