Home / 14,307.28-19,743.24-8,339.92

Finding the Fourth Proportional to 14,307.28, 19,743.24 and 8,339.92

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Solution

The fourth proportional to 14,307.28, 19,743.24 and 8,339.92 is: 11,508.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.28 : 19,743.24 = 8,339.92 : x
  2. Step 2: Convert to fraction form
    14,307.28/19,743.24 = 8,339.92/x
  3. Step 3: Cross multiply
    14,307.28x = 19,743.24 × 8,339.92
  4. Step 4: Simplify right side
    14,307.28x = 164,657,042.14
  5. Step 5: Solve for x
    x = 164,657,042.14/14,307.28
  6. Step 6: Final answer
    x = 11,508.62

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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.