Home / 12,581.04-17,362.20-7,277.52

Finding the Fourth Proportional to 12,581.04, 17,362.20 and 7,277.52

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Solution

The fourth proportional to 12,581.04, 17,362.20 and 7,277.52 is: 10,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.04 : 17,362.20 = 7,277.52 : x
  2. Step 2: Convert to fraction form
    12,581.04/17,362.20 = 7,277.52/x
  3. Step 3: Cross multiply
    12,581.04x = 17,362.20 × 7,277.52
  4. Step 4: Simplify right side
    12,581.04x = 126,353,757.74
  5. Step 5: Solve for x
    x = 126,353,757.74/12,581.04
  6. Step 6: Final answer
    x = 10,043.19

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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.