Home / 9,913.28-14,867.24-4,292.88

Finding the Fourth Proportional to 9,913.28, 14,867.24 and 4,292.88

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Solution

The fourth proportional to 9,913.28, 14,867.24 and 4,292.88 is: 6,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.28 : 14,867.24 = 4,292.88 : x
  2. Step 2: Convert to fraction form
    9,913.28/14,867.24 = 4,292.88/x
  3. Step 3: Cross multiply
    9,913.28x = 14,867.24 × 4,292.88
  4. Step 4: Simplify right side
    9,913.28x = 63,823,255.79
  5. Step 5: Solve for x
    x = 63,823,255.79/9,913.28
  6. Step 6: Final answer
    x = 6,438.16

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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.