Home / 10,824.13-14,940.70-6,349.69

Finding the Fourth Proportional to 10,824.13, 14,940.70 and 6,349.69

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Solution

The fourth proportional to 10,824.13, 14,940.70 and 6,349.69 is: 8,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.13 : 14,940.70 = 6,349.69 : x
  2. Step 2: Convert to fraction form
    10,824.13/14,940.70 = 6,349.69/x
  3. Step 3: Cross multiply
    10,824.13x = 14,940.70 × 6,349.69
  4. Step 4: Simplify right side
    10,824.13x = 94,868,851.90
  5. Step 5: Solve for x
    x = 94,868,851.90/10,824.13
  6. Step 6: Final answer
    x = 8,764.57

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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.