Home / 12,386.03-17,091.60-7,349.39

Finding the Fourth Proportional to 12,386.03, 17,091.60 and 7,349.39

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Solution

The fourth proportional to 12,386.03, 17,091.60 and 7,349.39 is: 10,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.03 : 17,091.60 = 7,349.39 : x
  2. Step 2: Convert to fraction form
    12,386.03/17,091.60 = 7,349.39/x
  3. Step 3: Cross multiply
    12,386.03x = 17,091.60 × 7,349.39
  4. Step 4: Simplify right side
    12,386.03x = 125,612,721.11
  5. Step 5: Solve for x
    x = 125,612,721.11/12,386.03
  6. Step 6: Final answer
    x = 10,141.48

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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.