Home / 14,460.24-21,697.92-7,885.20

Finding the Fourth Proportional to 14,460.24, 21,697.92 and 7,885.20

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Solution

The fourth proportional to 14,460.24, 21,697.92 and 7,885.20 is: 11,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,460.24 : 21,697.92 = 7,885.20 : x
  2. Step 2: Convert to fraction form
    14,460.24/21,697.92 = 7,885.20/x
  3. Step 3: Cross multiply
    14,460.24x = 21,697.92 × 7,885.20
  4. Step 4: Simplify right side
    14,460.24x = 171,092,438.78
  5. Step 5: Solve for x
    x = 171,092,438.78/14,460.24
  6. Step 6: Final answer
    x = 11,831.92

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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.