Home / 10,538.76-15,812.01-4,987.92

Finding the Fourth Proportional to 10,538.76, 15,812.01 and 4,987.92

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Solution

The fourth proportional to 10,538.76, 15,812.01 and 4,987.92 is: 7,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.76 : 15,812.01 = 4,987.92 : x
  2. Step 2: Convert to fraction form
    10,538.76/15,812.01 = 4,987.92/x
  3. Step 3: Cross multiply
    10,538.76x = 15,812.01 × 4,987.92
  4. Step 4: Simplify right side
    10,538.76x = 78,869,040.92
  5. Step 5: Solve for x
    x = 78,869,040.92/10,538.76
  6. Step 6: Final answer
    x = 7,483.71

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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.