Home / 10,068.72-15,106.08-4,523.76

Finding the Fourth Proportional to 10,068.72, 15,106.08 and 4,523.76

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Solution

The fourth proportional to 10,068.72, 15,106.08 and 4,523.76 is: 6,786.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,068.72 : 15,106.08 = 4,523.76 : x
  2. Step 2: Convert to fraction form
    10,068.72/15,106.08 = 4,523.76/x
  3. Step 3: Cross multiply
    10,068.72x = 15,106.08 × 4,523.76
  4. Step 4: Simplify right side
    10,068.72x = 68,336,280.46
  5. Step 5: Solve for x
    x = 68,336,280.46/10,068.72
  6. Step 6: Final answer
    x = 6,786.99

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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.