Home / 19,864.10-29,818.02-15,730.68

Finding the Fourth Proportional to 19,864.10, 29,818.02 and 15,730.68

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Solution

The fourth proportional to 19,864.10, 29,818.02 and 15,730.68 is: 23,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.10 : 29,818.02 = 15,730.68 : x
  2. Step 2: Convert to fraction form
    19,864.10/29,818.02 = 15,730.68/x
  3. Step 3: Cross multiply
    19,864.10x = 29,818.02 × 15,730.68
  4. Step 4: Simplify right side
    19,864.10x = 469,057,730.85
  5. Step 5: Solve for x
    x = 469,057,730.85/19,864.10
  6. Step 6: Final answer
    x = 23,613.34

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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.