Home / 10,823.04-14,947.92-8,461.80

Finding the Fourth Proportional to 10,823.04, 14,947.92 and 8,461.80

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Solution

The fourth proportional to 10,823.04, 14,947.92 and 8,461.80 is: 11,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,823.04 : 14,947.92 = 8,461.80 : x
  2. Step 2: Convert to fraction form
    10,823.04/14,947.92 = 8,461.80/x
  3. Step 3: Cross multiply
    10,823.04x = 14,947.92 × 8,461.80
  4. Step 4: Simplify right side
    10,823.04x = 126,486,309.46
  5. Step 5: Solve for x
    x = 126,486,309.46/10,823.04
  6. Step 6: Final answer
    x = 11,686.76

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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.