Home / 9,515.60-14,272.14-4,320.28

Finding the Fourth Proportional to 9,515.60, 14,272.14 and 4,320.28

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Solution

The fourth proportional to 9,515.60, 14,272.14 and 4,320.28 is: 6,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.60 : 14,272.14 = 4,320.28 : x
  2. Step 2: Convert to fraction form
    9,515.60/14,272.14 = 4,320.28/x
  3. Step 3: Cross multiply
    9,515.60x = 14,272.14 × 4,320.28
  4. Step 4: Simplify right side
    9,515.60x = 61,659,641.00
  5. Step 5: Solve for x
    x = 61,659,641.00/9,515.60
  6. Step 6: Final answer
    x = 6,479.85

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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.