Home / 14,349.59-21,532.89-7,775.63

Finding the Fourth Proportional to 14,349.59, 21,532.89 and 7,775.63

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Solution

The fourth proportional to 14,349.59, 21,532.89 and 7,775.63 is: 11,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.59 : 21,532.89 = 7,775.63 : x
  2. Step 2: Convert to fraction form
    14,349.59/21,532.89 = 7,775.63/x
  3. Step 3: Cross multiply
    14,349.59x = 21,532.89 × 7,775.63
  4. Step 4: Simplify right side
    14,349.59x = 167,431,839.30
  5. Step 5: Solve for x
    x = 167,431,839.30/14,349.59
  6. Step 6: Final answer
    x = 11,668.06

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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.