Home / 10,877.20-16,316.88-3,950.08

Finding the Fourth Proportional to 10,877.20, 16,316.88 and 3,950.08

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Solution

The fourth proportional to 10,877.20, 16,316.88 and 3,950.08 is: 5,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.20 : 16,316.88 = 3,950.08 : x
  2. Step 2: Convert to fraction form
    10,877.20/16,316.88 = 3,950.08/x
  3. Step 3: Cross multiply
    10,877.20x = 16,316.88 × 3,950.08
  4. Step 4: Simplify right side
    10,877.20x = 64,452,981.35
  5. Step 5: Solve for x
    x = 64,452,981.35/10,877.20
  6. Step 6: Final answer
    x = 5,925.51

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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.