Home / 13,491.61-20,233.29-6,468.00

Finding the Fourth Proportional to 13,491.61, 20,233.29 and 6,468.00

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Solution

The fourth proportional to 13,491.61, 20,233.29 and 6,468.00 is: 9,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.61 : 20,233.29 = 6,468.00 : x
  2. Step 2: Convert to fraction form
    13,491.61/20,233.29 = 6,468.00/x
  3. Step 3: Cross multiply
    13,491.61x = 20,233.29 × 6,468.00
  4. Step 4: Simplify right side
    13,491.61x = 130,868,981.91
  5. Step 5: Solve for x
    x = 130,868,981.91/13,491.61
  6. Step 6: Final answer
    x = 9,700.02

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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.