Home / 10,585.40-15,872.96-3,188.48

Finding the Fourth Proportional to 10,585.40, 15,872.96 and 3,188.48

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Solution

The fourth proportional to 10,585.40, 15,872.96 and 3,188.48 is: 4,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585.40 : 15,872.96 = 3,188.48 : x
  2. Step 2: Convert to fraction form
    10,585.40/15,872.96 = 3,188.48/x
  3. Step 3: Cross multiply
    10,585.40x = 15,872.96 × 3,188.48
  4. Step 4: Simplify right side
    10,585.40x = 50,610,615.50
  5. Step 5: Solve for x
    x = 50,610,615.50/10,585.40
  6. Step 6: Final answer
    x = 4,781.17

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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.