Home / 10,854.40-16,281.60-3,926.08

Finding the Fourth Proportional to 10,854.40, 16,281.60 and 3,926.08

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Solution

The fourth proportional to 10,854.40, 16,281.60 and 3,926.08 is: 5,889.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.40 : 16,281.60 = 3,926.08 : x
  2. Step 2: Convert to fraction form
    10,854.40/16,281.60 = 3,926.08/x
  3. Step 3: Cross multiply
    10,854.40x = 16,281.60 × 3,926.08
  4. Step 4: Simplify right side
    10,854.40x = 63,922,864.13
  5. Step 5: Solve for x
    x = 63,922,864.13/10,854.40
  6. Step 6: Final answer
    x = 5,889.12

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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.