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Finding the Fourth Proportional to 18,047.76, 24,904.28 and 10,088.88

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Solution

The fourth proportional to 18,047.76, 24,904.28 and 10,088.88 is: 13,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,047.76 : 24,904.28 = 10,088.88 : x
  2. Step 2: Convert to fraction form
    18,047.76/24,904.28 = 10,088.88/x
  3. Step 3: Cross multiply
    18,047.76x = 24,904.28 × 10,088.88
  4. Step 4: Simplify right side
    18,047.76x = 251,256,292.41
  5. Step 5: Solve for x
    x = 251,256,292.41/18,047.76
  6. Step 6: Final answer
    x = 13,921.74

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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.