Home / 9,630.38-13,284.86-6,487.58

Finding the Fourth Proportional to 9,630.38, 13,284.86 and 6,487.58

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Solution

The fourth proportional to 9,630.38, 13,284.86 and 6,487.58 is: 8,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630.38 : 13,284.86 = 6,487.58 : x
  2. Step 2: Convert to fraction form
    9,630.38/13,284.86 = 6,487.58/x
  3. Step 3: Cross multiply
    9,630.38x = 13,284.86 × 6,487.58
  4. Step 4: Simplify right side
    9,630.38x = 86,186,592.04
  5. Step 5: Solve for x
    x = 86,186,592.04/9,630.38
  6. Step 6: Final answer
    x = 8,949.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.