Home / 10,641.90-15,962.88-3,716.40

Finding the Fourth Proportional to 10,641.90, 15,962.88 and 3,716.40

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Solution

The fourth proportional to 10,641.90, 15,962.88 and 3,716.40 is: 5,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.90 : 15,962.88 = 3,716.40 : x
  2. Step 2: Convert to fraction form
    10,641.90/15,962.88 = 3,716.40/x
  3. Step 3: Cross multiply
    10,641.90x = 15,962.88 × 3,716.40
  4. Step 4: Simplify right side
    10,641.90x = 59,324,447.23
  5. Step 5: Solve for x
    x = 59,324,447.23/10,641.90
  6. Step 6: Final answer
    x = 5,574.61

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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.