Home / 14,281.01-21,425.90-6,390.17

Finding the Fourth Proportional to 14,281.01, 21,425.90 and 6,390.17

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Solution

The fourth proportional to 14,281.01, 21,425.90 and 6,390.17 is: 9,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281.01 : 21,425.90 = 6,390.17 : x
  2. Step 2: Convert to fraction form
    14,281.01/21,425.90 = 6,390.17/x
  3. Step 3: Cross multiply
    14,281.01x = 21,425.90 × 6,390.17
  4. Step 4: Simplify right side
    14,281.01x = 136,915,084.67
  5. Step 5: Solve for x
    x = 136,915,084.67/14,281.01
  6. Step 6: Final answer
    x = 9,587.21

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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.