Home / 14,248.50-19,665.36-7,959.66

Finding the Fourth Proportional to 14,248.50, 19,665.36 and 7,959.66

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Solution

The fourth proportional to 14,248.50, 19,665.36 and 7,959.66 is: 10,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.50 : 19,665.36 = 7,959.66 : x
  2. Step 2: Convert to fraction form
    14,248.50/19,665.36 = 7,959.66/x
  3. Step 3: Cross multiply
    14,248.50x = 19,665.36 × 7,959.66
  4. Step 4: Simplify right side
    14,248.50x = 156,529,579.38
  5. Step 5: Solve for x
    x = 156,529,579.38/14,248.50
  6. Step 6: Final answer
    x = 10,985.69

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Half scale
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Double scale
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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.