Home / 9,867.20-14,819.63-5,715.54

Finding the Fourth Proportional to 9,867.20, 14,819.63 and 5,715.54

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Solution

The fourth proportional to 9,867.20, 14,819.63 and 5,715.54 is: 8,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.20 : 14,819.63 = 5,715.54 : x
  2. Step 2: Convert to fraction form
    9,867.20/14,819.63 = 5,715.54/x
  3. Step 3: Cross multiply
    9,867.20x = 14,819.63 × 5,715.54
  4. Step 4: Simplify right side
    9,867.20x = 84,702,159.47
  5. Step 5: Solve for x
    x = 84,702,159.47/9,867.20
  6. Step 6: Final answer
    x = 8,584.22

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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.