Home / 10,888.10-16,337.11-6,454.51

Finding the Fourth Proportional to 10,888.10, 16,337.11 and 6,454.51

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Solution

The fourth proportional to 10,888.10, 16,337.11 and 6,454.51 is: 9,684.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.10 : 16,337.11 = 6,454.51 : x
  2. Step 2: Convert to fraction form
    10,888.10/16,337.11 = 6,454.51/x
  3. Step 3: Cross multiply
    10,888.10x = 16,337.11 × 6,454.51
  4. Step 4: Simplify right side
    10,888.10x = 105,448,039.87
  5. Step 5: Solve for x
    x = 105,448,039.87/10,888.10
  6. Step 6: Final answer
    x = 9,684.71

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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.