Home / 15,386.41-23,080.75-5,525.78

Finding the Fourth Proportional to 15,386.41, 23,080.75 and 5,525.78

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Solution

The fourth proportional to 15,386.41, 23,080.75 and 5,525.78 is: 8,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.41 : 23,080.75 = 5,525.78 : x
  2. Step 2: Convert to fraction form
    15,386.41/23,080.75 = 5,525.78/x
  3. Step 3: Cross multiply
    15,386.41x = 23,080.75 × 5,525.78
  4. Step 4: Simplify right side
    15,386.41x = 127,539,017.52
  5. Step 5: Solve for x
    x = 127,539,017.52/15,386.41
  6. Step 6: Final answer
    x = 8,289.07

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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.