Home / 9,639.48-14,456.78-4,636.92

Finding the Fourth Proportional to 9,639.48, 14,456.78 and 4,636.92

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Solution

The fourth proportional to 9,639.48, 14,456.78 and 4,636.92 is: 6,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.48 : 14,456.78 = 4,636.92 : x
  2. Step 2: Convert to fraction form
    9,639.48/14,456.78 = 4,636.92/x
  3. Step 3: Cross multiply
    9,639.48x = 14,456.78 × 4,636.92
  4. Step 4: Simplify right side
    9,639.48x = 67,034,889.70
  5. Step 5: Solve for x
    x = 67,034,889.70/9,639.48
  6. Step 6: Final answer
    x = 6,954.20

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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.