Home / 15,647.38-23,476.30-5,117.88

Finding the Fourth Proportional to 15,647.38, 23,476.30 and 5,117.88

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Solution

The fourth proportional to 15,647.38, 23,476.30 and 5,117.88 is: 7,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.38 : 23,476.30 = 5,117.88 : x
  2. Step 2: Convert to fraction form
    15,647.38/23,476.30 = 5,117.88/x
  3. Step 3: Cross multiply
    15,647.38x = 23,476.30 × 5,117.88
  4. Step 4: Simplify right side
    15,647.38x = 120,148,886.24
  5. Step 5: Solve for x
    x = 120,148,886.24/15,647.38
  6. Step 6: Final answer
    x = 7,678.53

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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.