Home / 20,792.56-31,199.26-9,700.12

Finding the Fourth Proportional to 20,792.56, 31,199.26 and 9,700.12

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Solution

The fourth proportional to 20,792.56, 31,199.26 and 9,700.12 is: 14,555.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.56 : 31,199.26 = 9,700.12 : x
  2. Step 2: Convert to fraction form
    20,792.56/31,199.26 = 9,700.12/x
  3. Step 3: Cross multiply
    20,792.56x = 31,199.26 × 9,700.12
  4. Step 4: Simplify right side
    20,792.56x = 302,636,565.91
  5. Step 5: Solve for x
    x = 302,636,565.91/20,792.56
  6. Step 6: Final answer
    x = 14,555.04

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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.