Home / 14,448.32-19,927.62-9,979.55

Finding the Fourth Proportional to 14,448.32, 19,927.62 and 9,979.55

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Solution

The fourth proportional to 14,448.32, 19,927.62 and 9,979.55 is: 13,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.32 : 19,927.62 = 9,979.55 : x
  2. Step 2: Convert to fraction form
    14,448.32/19,927.62 = 9,979.55/x
  3. Step 3: Cross multiply
    14,448.32x = 19,927.62 × 9,979.55
  4. Step 4: Simplify right side
    14,448.32x = 198,868,680.17
  5. Step 5: Solve for x
    x = 198,868,680.17/14,448.32
  6. Step 6: Final answer
    x = 13,764.14

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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.