Home / 9,916.32-14,874.56-2,989.92

Finding the Fourth Proportional to 9,916.32, 14,874.56 and 2,989.92

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Solution

The fourth proportional to 9,916.32, 14,874.56 and 2,989.92 is: 4,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.32 : 14,874.56 = 2,989.92 : x
  2. Step 2: Convert to fraction form
    9,916.32/14,874.56 = 2,989.92/x
  3. Step 3: Cross multiply
    9,916.32x = 14,874.56 × 2,989.92
  4. Step 4: Simplify right side
    9,916.32x = 44,473,744.44
  5. Step 5: Solve for x
    x = 44,473,744.44/9,916.32
  6. Step 6: Final answer
    x = 4,484.90

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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.