Home / 18,946.92-28,400.67-10,614.72

Finding the Fourth Proportional to 18,946.92, 28,400.67 and 10,614.72

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Solution

The fourth proportional to 18,946.92, 28,400.67 and 10,614.72 is: 15,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.92 : 28,400.67 = 10,614.72 : x
  2. Step 2: Convert to fraction form
    18,946.92/28,400.67 = 10,614.72/x
  3. Step 3: Cross multiply
    18,946.92x = 28,400.67 × 10,614.72
  4. Step 4: Simplify right side
    18,946.92x = 301,465,159.86
  5. Step 5: Solve for x
    x = 301,465,159.86/18,946.92
  6. Step 6: Final answer
    x = 15,911.04

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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.