Home / 12,541.76-17,309.58-7,238.24

Finding the Fourth Proportional to 12,541.76, 17,309.58 and 7,238.24

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Solution

The fourth proportional to 12,541.76, 17,309.58 and 7,238.24 is: 9,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,541.76 : 17,309.58 = 7,238.24 : x
  2. Step 2: Convert to fraction form
    12,541.76/17,309.58 = 7,238.24/x
  3. Step 3: Cross multiply
    12,541.76x = 17,309.58 × 7,238.24
  4. Step 4: Simplify right side
    12,541.76x = 125,290,894.34
  5. Step 5: Solve for x
    x = 125,290,894.34/12,541.76
  6. Step 6: Final answer
    x = 9,989.90

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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.