Home / 13,508.13-20,275.16-6,587.49

Finding the Fourth Proportional to 13,508.13, 20,275.16 and 6,587.49

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Solution

The fourth proportional to 13,508.13, 20,275.16 and 6,587.49 is: 9,887.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.13 : 20,275.16 = 6,587.49 : x
  2. Step 2: Convert to fraction form
    13,508.13/20,275.16 = 6,587.49/x
  3. Step 3: Cross multiply
    13,508.13x = 20,275.16 × 6,587.49
  4. Step 4: Simplify right side
    13,508.13x = 133,562,380.81
  5. Step 5: Solve for x
    x = 133,562,380.81/13,508.13
  6. Step 6: Final answer
    x = 9,887.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.