Home / 14,745.28-22,117.92-5,386

Finding the Fourth Proportional to 14,745.28, 22,117.92 and 5,386

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Solution

The fourth proportional to 14,745.28, 22,117.92 and 5,386 is: 8,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,745.28 : 22,117.92 = 5,386 : x
  2. Step 2: Convert to fraction form
    14,745.28/22,117.92 = 5,386/x
  3. Step 3: Cross multiply
    14,745.28x = 22,117.92 × 5,386
  4. Step 4: Simplify right side
    14,745.28x = 119,127,117.12
  5. Step 5: Solve for x
    x = 119,127,117.12/14,745.28
  6. Step 6: Final answer
    x = 8,079.00

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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.