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Finding the Fourth Proportional to 14,775.59, 22,171.67 and 7,849.91

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Solution

The fourth proportional to 14,775.59, 22,171.67 and 7,849.91 is: 11,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.59 : 22,171.67 = 7,849.91 : x
  2. Step 2: Convert to fraction form
    14,775.59/22,171.67 = 7,849.91/x
  3. Step 3: Cross multiply
    14,775.59x = 22,171.67 × 7,849.91
  4. Step 4: Simplify right side
    14,775.59x = 174,045,574.80
  5. Step 5: Solve for x
    x = 174,045,574.80/14,775.59
  6. Step 6: Final answer
    x = 11,779.26

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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.