Home / 13,342.31-18,412.59-7,373.97

Finding the Fourth Proportional to 13,342.31, 18,412.59 and 7,373.97

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Solution

The fourth proportional to 13,342.31, 18,412.59 and 7,373.97 is: 10,176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.31 : 18,412.59 = 7,373.97 : x
  2. Step 2: Convert to fraction form
    13,342.31/18,412.59 = 7,373.97/x
  3. Step 3: Cross multiply
    13,342.31x = 18,412.59 × 7,373.97
  4. Step 4: Simplify right side
    13,342.31x = 135,773,886.28
  5. Step 5: Solve for x
    x = 135,773,886.28/13,342.31
  6. Step 6: Final answer
    x = 10,176.19

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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.