Home / 10,694.28-14,756.76-6,445.56

Finding the Fourth Proportional to 10,694.28, 14,756.76 and 6,445.56

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Solution

The fourth proportional to 10,694.28, 14,756.76 and 6,445.56 is: 8,894.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,694.28 : 14,756.76 = 6,445.56 : x
  2. Step 2: Convert to fraction form
    10,694.28/14,756.76 = 6,445.56/x
  3. Step 3: Cross multiply
    10,694.28x = 14,756.76 × 6,445.56
  4. Step 4: Simplify right side
    10,694.28x = 95,115,581.99
  5. Step 5: Solve for x
    x = 95,115,581.99/10,694.28
  6. Step 6: Final answer
    x = 8,894.06

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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.