Home / 13,060.40-18,023.10-7,394.72

Finding the Fourth Proportional to 13,060.40, 18,023.10 and 7,394.72

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Solution

The fourth proportional to 13,060.40, 18,023.10 and 7,394.72 is: 10,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.40 : 18,023.10 = 7,394.72 : x
  2. Step 2: Convert to fraction form
    13,060.40/18,023.10 = 7,394.72/x
  3. Step 3: Cross multiply
    13,060.40x = 18,023.10 × 7,394.72
  4. Step 4: Simplify right side
    13,060.40x = 133,275,778.03
  5. Step 5: Solve for x
    x = 133,275,778.03/13,060.40
  6. Step 6: Final answer
    x = 10,204.57

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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.