Home / 14,758.40-20,366.92-8,044.36

Finding the Fourth Proportional to 14,758.40, 20,366.92 and 8,044.36

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Solution

The fourth proportional to 14,758.40, 20,366.92 and 8,044.36 is: 11,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.40 : 20,366.92 = 8,044.36 : x
  2. Step 2: Convert to fraction form
    14,758.40/20,366.92 = 8,044.36/x
  3. Step 3: Cross multiply
    14,758.40x = 20,366.92 × 8,044.36
  4. Step 4: Simplify right side
    14,758.40x = 163,838,887.65
  5. Step 5: Solve for x
    x = 163,838,887.65/14,758.40
  6. Step 6: Final answer
    x = 11,101.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.