Home / 15,166.13-22,831.08-13,640.30

Finding the Fourth Proportional to 15,166.13, 22,831.08 and 13,640.30

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Solution

The fourth proportional to 15,166.13, 22,831.08 and 13,640.30 is: 20,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.13 : 22,831.08 = 13,640.30 : x
  2. Step 2: Convert to fraction form
    15,166.13/22,831.08 = 13,640.30/x
  3. Step 3: Cross multiply
    15,166.13x = 22,831.08 × 13,640.30
  4. Step 4: Simplify right side
    15,166.13x = 311,422,598.17
  5. Step 5: Solve for x
    x = 311,422,598.17/15,166.13
  6. Step 6: Final answer
    x = 20,534.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.