Home / 10,449.08-15,680.10-4,293.08

Finding the Fourth Proportional to 10,449.08, 15,680.10 and 4,293.08

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Solution

The fourth proportional to 10,449.08, 15,680.10 and 4,293.08 is: 6,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.08 : 15,680.10 = 4,293.08 : x
  2. Step 2: Convert to fraction form
    10,449.08/15,680.10 = 4,293.08/x
  3. Step 3: Cross multiply
    10,449.08x = 15,680.10 × 4,293.08
  4. Step 4: Simplify right side
    10,449.08x = 67,315,923.71
  5. Step 5: Solve for x
    x = 67,315,923.71/10,449.08
  6. Step 6: Final answer
    x = 6,442.28

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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.