Home / 10,269.76-15,392.64-4,723.72

Finding the Fourth Proportional to 10,269.76, 15,392.64 and 4,723.72

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Solution

The fourth proportional to 10,269.76, 15,392.64 and 4,723.72 is: 7,080.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.76 : 15,392.64 = 4,723.72 : x
  2. Step 2: Convert to fraction form
    10,269.76/15,392.64 = 4,723.72/x
  3. Step 3: Cross multiply
    10,269.76x = 15,392.64 × 4,723.72
  4. Step 4: Simplify right side
    10,269.76x = 72,710,521.42
  5. Step 5: Solve for x
    x = 72,710,521.42/10,269.76
  6. Step 6: Final answer
    x = 7,080.06

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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.