Home / 12,041.24-16,605.30-9,387.80

Finding the Fourth Proportional to 12,041.24, 16,605.30 and 9,387.80

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Solution

The fourth proportional to 12,041.24, 16,605.30 and 9,387.80 is: 12,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.24 : 16,605.30 = 9,387.80 : x
  2. Step 2: Convert to fraction form
    12,041.24/16,605.30 = 9,387.80/x
  3. Step 3: Cross multiply
    12,041.24x = 16,605.30 × 9,387.80
  4. Step 4: Simplify right side
    12,041.24x = 155,887,235.34
  5. Step 5: Solve for x
    x = 155,887,235.34/12,041.24
  6. Step 6: Final answer
    x = 12,946.11

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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.