Home / 20,350.65-30,501.38-10,484.55

Finding the Fourth Proportional to 20,350.65, 30,501.38 and 10,484.55

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Solution

The fourth proportional to 20,350.65, 30,501.38 and 10,484.55 is: 15,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.65 : 30,501.38 = 10,484.55 : x
  2. Step 2: Convert to fraction form
    20,350.65/30,501.38 = 10,484.55/x
  3. Step 3: Cross multiply
    20,350.65x = 30,501.38 × 10,484.55
  4. Step 4: Simplify right side
    20,350.65x = 319,793,210.91
  5. Step 5: Solve for x
    x = 319,793,210.91/20,350.65
  6. Step 6: Final answer
    x = 15,714.15

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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.