Home / 16,862.18-23,276.36-15,090.71

Finding the Fourth Proportional to 16,862.18, 23,276.36 and 15,090.71

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Solution

The fourth proportional to 16,862.18, 23,276.36 and 15,090.71 is: 20,831.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.18 : 23,276.36 = 15,090.71 : x
  2. Step 2: Convert to fraction form
    16,862.18/23,276.36 = 15,090.71/x
  3. Step 3: Cross multiply
    16,862.18x = 23,276.36 × 15,090.71
  4. Step 4: Simplify right side
    16,862.18x = 351,256,719.96
  5. Step 5: Solve for x
    x = 351,256,719.96/16,862.18
  6. Step 6: Final answer
    x = 20,831.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.