Home / 10,290.44-15,426.55-4,445.08

Finding the Fourth Proportional to 10,290.44, 15,426.55 and 4,445.08

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Solution

The fourth proportional to 10,290.44, 15,426.55 and 4,445.08 is: 6,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.44 : 15,426.55 = 4,445.08 : x
  2. Step 2: Convert to fraction form
    10,290.44/15,426.55 = 4,445.08/x
  3. Step 3: Cross multiply
    10,290.44x = 15,426.55 × 4,445.08
  4. Step 4: Simplify right side
    10,290.44x = 68,572,215.86
  5. Step 5: Solve for x
    x = 68,572,215.86/10,290.44
  6. Step 6: Final answer
    x = 6,663.68

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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.