Home / 13,339.01-18,407.97-7,370.52

Finding the Fourth Proportional to 13,339.01, 18,407.97 and 7,370.52

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Solution

The fourth proportional to 13,339.01, 18,407.97 and 7,370.52 is: 10,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.01 : 18,407.97 = 7,370.52 : x
  2. Step 2: Convert to fraction form
    13,339.01/18,407.97 = 7,370.52/x
  3. Step 3: Cross multiply
    13,339.01x = 18,407.97 × 7,370.52
  4. Step 4: Simplify right side
    13,339.01x = 135,676,311.04
  5. Step 5: Solve for x
    x = 135,676,311.04/13,339.01
  6. Step 6: Final answer
    x = 10,171.40

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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.