Home / 10,294.46-14,206.35-5,578.74

Finding the Fourth Proportional to 10,294.46, 14,206.35 and 5,578.74

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Solution

The fourth proportional to 10,294.46, 14,206.35 and 5,578.74 is: 7,698.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,294.46 : 14,206.35 = 5,578.74 : x
  2. Step 2: Convert to fraction form
    10,294.46/14,206.35 = 5,578.74/x
  3. Step 3: Cross multiply
    10,294.46x = 14,206.35 × 5,578.74
  4. Step 4: Simplify right side
    10,294.46x = 79,253,461.97
  5. Step 5: Solve for x
    x = 79,253,461.97/10,294.46
  6. Step 6: Final answer
    x = 7,698.66

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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.