Home / 14,307.44-21,459.80-8,757.92

Finding the Fourth Proportional to 14,307.44, 21,459.80 and 8,757.92

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Solution

The fourth proportional to 14,307.44, 21,459.80 and 8,757.92 is: 13,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.44 : 21,459.80 = 8,757.92 : x
  2. Step 2: Convert to fraction form
    14,307.44/21,459.80 = 8,757.92/x
  3. Step 3: Cross multiply
    14,307.44x = 21,459.80 × 8,757.92
  4. Step 4: Simplify right side
    14,307.44x = 187,943,287.16
  5. Step 5: Solve for x
    x = 187,943,287.16/14,307.44
  6. Step 6: Final answer
    x = 13,136.06

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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.