Home / 10,970.46-15,139.25-6,191.43

Finding the Fourth Proportional to 10,970.46, 15,139.25 and 6,191.43

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Solution

The fourth proportional to 10,970.46, 15,139.25 and 6,191.43 is: 8,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.46 : 15,139.25 = 6,191.43 : x
  2. Step 2: Convert to fraction form
    10,970.46/15,139.25 = 6,191.43/x
  3. Step 3: Cross multiply
    10,970.46x = 15,139.25 × 6,191.43
  4. Step 4: Simplify right side
    10,970.46x = 93,733,567.28
  5. Step 5: Solve for x
    x = 93,733,567.28/10,970.46
  6. Step 6: Final answer
    x = 8,544.18

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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.