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Finding the Fourth Proportional to 9,019.53, 12,503.88 and 8,545.28

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Solution

The fourth proportional to 9,019.53, 12,503.88 and 8,545.28 is: 11,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.53 : 12,503.88 = 8,545.28 : x
  2. Step 2: Convert to fraction form
    9,019.53/12,503.88 = 8,545.28/x
  3. Step 3: Cross multiply
    9,019.53x = 12,503.88 × 8,545.28
  4. Step 4: Simplify right side
    9,019.53x = 106,849,093.17
  5. Step 5: Solve for x
    x = 106,849,093.17/9,019.53
  6. Step 6: Final answer
    x = 11,846.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.