Home / 10,916.40-16,375.65-4,341.12

Finding the Fourth Proportional to 10,916.40, 16,375.65 and 4,341.12

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Solution

The fourth proportional to 10,916.40, 16,375.65 and 4,341.12 is: 6,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.40 : 16,375.65 = 4,341.12 : x
  2. Step 2: Convert to fraction form
    10,916.40/16,375.65 = 4,341.12/x
  3. Step 3: Cross multiply
    10,916.40x = 16,375.65 × 4,341.12
  4. Step 4: Simplify right side
    10,916.40x = 71,088,661.73
  5. Step 5: Solve for x
    x = 71,088,661.73/10,916.40
  6. Step 6: Final answer
    x = 6,512.10

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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.