Home / 16,516.71-24,777.64-5,420.87

Finding the Fourth Proportional to 16,516.71, 24,777.64 and 5,420.87

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Solution

The fourth proportional to 16,516.71, 24,777.64 and 5,420.87 is: 8,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.71 : 24,777.64 = 5,420.87 : x
  2. Step 2: Convert to fraction form
    16,516.71/24,777.64 = 5,420.87/x
  3. Step 3: Cross multiply
    16,516.71x = 24,777.64 × 5,420.87
  4. Step 4: Simplify right side
    16,516.71x = 134,316,365.35
  5. Step 5: Solve for x
    x = 134,316,365.35/16,516.71
  6. Step 6: Final answer
    x = 8,132.15

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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.