Home / 12,293.04-18,445.92-5,717.28

Finding the Fourth Proportional to 12,293.04, 18,445.92 and 5,717.28

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Solution

The fourth proportional to 12,293.04, 18,445.92 and 5,717.28 is: 8,578.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.04 : 18,445.92 = 5,717.28 : x
  2. Step 2: Convert to fraction form
    12,293.04/18,445.92 = 5,717.28/x
  3. Step 3: Cross multiply
    12,293.04x = 18,445.92 × 5,717.28
  4. Step 4: Simplify right side
    12,293.04x = 105,460,489.50
  5. Step 5: Solve for x
    x = 105,460,489.50/12,293.04
  6. Step 6: Final answer
    x = 8,578.88

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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.