Home / 14,157.61-21,239.15-7,591.14

Finding the Fourth Proportional to 14,157.61, 21,239.15 and 7,591.14

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Solution

The fourth proportional to 14,157.61, 21,239.15 and 7,591.14 is: 11,388.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.61 : 21,239.15 = 7,591.14 : x
  2. Step 2: Convert to fraction form
    14,157.61/21,239.15 = 7,591.14/x
  3. Step 3: Cross multiply
    14,157.61x = 21,239.15 × 7,591.14
  4. Step 4: Simplify right side
    14,157.61x = 161,229,323.18
  5. Step 5: Solve for x
    x = 161,229,323.18/14,157.61
  6. Step 6: Final answer
    x = 11,388.18

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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.