Home / 9,207.04-13,743.76-8,521.76

Finding the Fourth Proportional to 9,207.04, 13,743.76 and 8,521.76

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Solution

The fourth proportional to 9,207.04, 13,743.76 and 8,521.76 is: 12,720.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.04 : 13,743.76 = 8,521.76 : x
  2. Step 2: Convert to fraction form
    9,207.04/13,743.76 = 8,521.76/x
  3. Step 3: Cross multiply
    9,207.04x = 13,743.76 × 8,521.76
  4. Step 4: Simplify right side
    9,207.04x = 117,121,024.22
  5. Step 5: Solve for x
    x = 117,121,024.22/9,207.04
  6. Step 6: Final answer
    x = 12,720.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.