Home / 10,480.89-15,700.77-6,960.42

Finding the Fourth Proportional to 10,480.89, 15,700.77 and 6,960.42

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Solution

The fourth proportional to 10,480.89, 15,700.77 and 6,960.42 is: 10,426.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.89 : 15,700.77 = 6,960.42 : x
  2. Step 2: Convert to fraction form
    10,480.89/15,700.77 = 6,960.42/x
  3. Step 3: Cross multiply
    10,480.89x = 15,700.77 × 6,960.42
  4. Step 4: Simplify right side
    10,480.89x = 109,283,953.52
  5. Step 5: Solve for x
    x = 109,283,953.52/10,480.89
  6. Step 6: Final answer
    x = 10,426.97

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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.