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Finding the Fourth Proportional to 9,018.57, 13,532.70 and 4,401.57

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Solution

The fourth proportional to 9,018.57, 13,532.70 and 4,401.57 is: 6,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.57 : 13,532.70 = 4,401.57 : x
  2. Step 2: Convert to fraction form
    9,018.57/13,532.70 = 4,401.57/x
  3. Step 3: Cross multiply
    9,018.57x = 13,532.70 × 4,401.57
  4. Step 4: Simplify right side
    9,018.57x = 59,565,126.34
  5. Step 5: Solve for x
    x = 59,565,126.34/9,018.57
  6. Step 6: Final answer
    x = 6,604.72

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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.