Home / 18,848.28-28,261.62-5,696.76

Finding the Fourth Proportional to 18,848.28, 28,261.62 and 5,696.76

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Solution

The fourth proportional to 18,848.28, 28,261.62 and 5,696.76 is: 8,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.28 : 28,261.62 = 5,696.76 : x
  2. Step 2: Convert to fraction form
    18,848.28/28,261.62 = 5,696.76/x
  3. Step 3: Cross multiply
    18,848.28x = 28,261.62 × 5,696.76
  4. Step 4: Simplify right side
    18,848.28x = 160,999,666.35
  5. Step 5: Solve for x
    x = 160,999,666.35/18,848.28
  6. Step 6: Final answer
    x = 8,541.88

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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.