Home / 12,987.92-19,459.56-10,232.24

Finding the Fourth Proportional to 12,987.92, 19,459.56 and 10,232.24

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Solution

The fourth proportional to 12,987.92, 19,459.56 and 10,232.24 is: 15,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,987.92 : 19,459.56 = 10,232.24 : x
  2. Step 2: Convert to fraction form
    12,987.92/19,459.56 = 10,232.24/x
  3. Step 3: Cross multiply
    12,987.92x = 19,459.56 × 10,232.24
  4. Step 4: Simplify right side
    12,987.92x = 199,114,888.21
  5. Step 5: Solve for x
    x = 199,114,888.21/12,987.92
  6. Step 6: Final answer
    x = 15,330.78

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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.