Home / 10,377.76-15,568.95-2,981.64

Finding the Fourth Proportional to 10,377.76, 15,568.95 and 2,981.64

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Solution

The fourth proportional to 10,377.76, 15,568.95 and 2,981.64 is: 4,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.76 : 15,568.95 = 2,981.64 : x
  2. Step 2: Convert to fraction form
    10,377.76/15,568.95 = 2,981.64/x
  3. Step 3: Cross multiply
    10,377.76x = 15,568.95 × 2,981.64
  4. Step 4: Simplify right side
    10,377.76x = 46,421,004.08
  5. Step 5: Solve for x
    x = 46,421,004.08/10,377.76
  6. Step 6: Final answer
    x = 4,473.12

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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.