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Finding the Fourth Proportional to 15,267, 21,068.19 and 8,552.55

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Solution

The fourth proportional to 15,267, 21,068.19 and 8,552.55 is: 11,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267 : 21,068.19 = 8,552.55 : x
  2. Step 2: Convert to fraction form
    15,267/21,068.19 = 8,552.55/x
  3. Step 3: Cross multiply
    15,267x = 21,068.19 × 8,552.55
  4. Step 4: Simplify right side
    15,267x = 180,186,748.38
  5. Step 5: Solve for x
    x = 180,186,748.38/15,267
  6. Step 6: Final answer
    x = 11,802.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.