Home / 15,554.77-21,434.90-11,065.95

Finding the Fourth Proportional to 15,554.77, 21,434.90 and 11,065.95

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Solution

The fourth proportional to 15,554.77, 21,434.90 and 11,065.95 is: 15,249.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.77 : 21,434.90 = 11,065.95 : x
  2. Step 2: Convert to fraction form
    15,554.77/21,434.90 = 11,065.95/x
  3. Step 3: Cross multiply
    15,554.77x = 21,434.90 × 11,065.95
  4. Step 4: Simplify right side
    15,554.77x = 237,197,476.33
  5. Step 5: Solve for x
    x = 237,197,476.33/15,554.77
  6. Step 6: Final answer
    x = 15,249.18

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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.