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Finding the Fourth Proportional to 18,552.94, 25,602.28 and 10,895.18

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Solution

The fourth proportional to 18,552.94, 25,602.28 and 10,895.18 is: 15,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.94 : 25,602.28 = 10,895.18 : x
  2. Step 2: Convert to fraction form
    18,552.94/25,602.28 = 10,895.18/x
  3. Step 3: Cross multiply
    18,552.94x = 25,602.28 × 10,895.18
  4. Step 4: Simplify right side
    18,552.94x = 278,941,293.76
  5. Step 5: Solve for x
    x = 278,941,293.76/18,552.94
  6. Step 6: Final answer
    x = 15,034.89

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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.