Home / 12,527.92-17,281.56-7,744.60

Finding the Fourth Proportional to 12,527.92, 17,281.56 and 7,744.60

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Solution

The fourth proportional to 12,527.92, 17,281.56 and 7,744.60 is: 10,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.92 : 17,281.56 = 7,744.60 : x
  2. Step 2: Convert to fraction form
    12,527.92/17,281.56 = 7,744.60/x
  3. Step 3: Cross multiply
    12,527.92x = 17,281.56 × 7,744.60
  4. Step 4: Simplify right side
    12,527.92x = 133,838,769.58
  5. Step 5: Solve for x
    x = 133,838,769.58/12,527.92
  6. Step 6: Final answer
    x = 10,683.24

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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.