Home / 15,505.89-23,262.45-5,117.64

Finding the Fourth Proportional to 15,505.89, 23,262.45 and 5,117.64

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Solution

The fourth proportional to 15,505.89, 23,262.45 and 5,117.64 is: 7,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.89 : 23,262.45 = 5,117.64 : x
  2. Step 2: Convert to fraction form
    15,505.89/23,262.45 = 5,117.64/x
  3. Step 3: Cross multiply
    15,505.89x = 23,262.45 × 5,117.64
  4. Step 4: Simplify right side
    15,505.89x = 119,048,844.62
  5. Step 5: Solve for x
    x = 119,048,844.62/15,505.89
  6. Step 6: Final answer
    x = 7,677.65

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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.