Home / 16,913.76-23,347.53-15,142.29

Finding the Fourth Proportional to 16,913.76, 23,347.53 and 15,142.29

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Solution

The fourth proportional to 16,913.76, 23,347.53 and 15,142.29 is: 20,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.76 : 23,347.53 = 15,142.29 : x
  2. Step 2: Convert to fraction form
    16,913.76/23,347.53 = 15,142.29/x
  3. Step 3: Cross multiply
    16,913.76x = 23,347.53 × 15,142.29
  4. Step 4: Simplify right side
    16,913.76x = 353,535,070.04
  5. Step 5: Solve for x
    x = 353,535,070.04/16,913.76
  6. Step 6: Final answer
    x = 20,902.22

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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.