Home / 11,417.72-17,126.55-4,303.28

Finding the Fourth Proportional to 11,417.72, 17,126.55 and 4,303.28

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Solution

The fourth proportional to 11,417.72, 17,126.55 and 4,303.28 is: 6,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.72 : 17,126.55 = 4,303.28 : x
  2. Step 2: Convert to fraction form
    11,417.72/17,126.55 = 4,303.28/x
  3. Step 3: Cross multiply
    11,417.72x = 17,126.55 × 4,303.28
  4. Step 4: Simplify right side
    11,417.72x = 73,700,382.90
  5. Step 5: Solve for x
    x = 73,700,382.90/11,417.72
  6. Step 6: Final answer
    x = 6,454.92

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Similar ratio
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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.