Home / 14,281.13-19,705.62-8,972.19

Finding the Fourth Proportional to 14,281.13, 19,705.62 and 8,972.19

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Solution

The fourth proportional to 14,281.13, 19,705.62 and 8,972.19 is: 12,380.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.13 : 19,705.62 = 8,972.19 : x
  2. Step 2: Convert to fraction form
    14,281.13/19,705.62 = 8,972.19/x
  3. Step 3: Cross multiply
    14,281.13x = 19,705.62 × 8,972.19
  4. Step 4: Simplify right side
    14,281.13x = 176,802,566.71
  5. Step 5: Solve for x
    x = 176,802,566.71/14,281.13
  6. Step 6: Final answer
    x = 12,380.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.