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Finding the Fourth Proportional to 17,652.95, 26,484.28 and 7,116.47

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Solution

The fourth proportional to 17,652.95, 26,484.28 and 7,116.47 is: 10,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,652.95 : 26,484.28 = 7,116.47 : x
  2. Step 2: Convert to fraction form
    17,652.95/26,484.28 = 7,116.47/x
  3. Step 3: Cross multiply
    17,652.95x = 26,484.28 × 7,116.47
  4. Step 4: Simplify right side
    17,652.95x = 188,474,433.88
  5. Step 5: Solve for x
    x = 188,474,433.88/17,652.95
  6. Step 6: Final answer
    x = 10,676.66

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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.