Home / 10,946.55-15,105.61-6,470.73

Finding the Fourth Proportional to 10,946.55, 15,105.61 and 6,470.73

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Solution

The fourth proportional to 10,946.55, 15,105.61 and 6,470.73 is: 8,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.55 : 15,105.61 = 6,470.73 : x
  2. Step 2: Convert to fraction form
    10,946.55/15,105.61 = 6,470.73/x
  3. Step 3: Cross multiply
    10,946.55x = 15,105.61 × 6,470.73
  4. Step 4: Simplify right side
    10,946.55x = 97,744,307.62
  5. Step 5: Solve for x
    x = 97,744,307.62/10,946.55
  6. Step 6: Final answer
    x = 8,929.23

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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.