Home / 13,444.71-18,554.16-7,476.63

Finding the Fourth Proportional to 13,444.71, 18,554.16 and 7,476.63

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Solution

The fourth proportional to 13,444.71, 18,554.16 and 7,476.63 is: 10,318.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.71 : 18,554.16 = 7,476.63 : x
  2. Step 2: Convert to fraction form
    13,444.71/18,554.16 = 7,476.63/x
  3. Step 3: Cross multiply
    13,444.71x = 18,554.16 × 7,476.63
  4. Step 4: Simplify right side
    13,444.71x = 138,722,589.28
  5. Step 5: Solve for x
    x = 138,722,589.28/13,444.71
  6. Step 6: Final answer
    x = 10,318.01

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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.