Home / 10,005.44-15,008.16-4,155.68

Finding the Fourth Proportional to 10,005.44, 15,008.16 and 4,155.68

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Solution

The fourth proportional to 10,005.44, 15,008.16 and 4,155.68 is: 6,233.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.44 : 15,008.16 = 4,155.68 : x
  2. Step 2: Convert to fraction form
    10,005.44/15,008.16 = 4,155.68/x
  3. Step 3: Cross multiply
    10,005.44x = 15,008.16 × 4,155.68
  4. Step 4: Simplify right side
    10,005.44x = 62,369,110.35
  5. Step 5: Solve for x
    x = 62,369,110.35/10,005.44
  6. Step 6: Final answer
    x = 6,233.52

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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.