Home / 15,142.80-22,700.23-8,127.73

Finding the Fourth Proportional to 15,142.80, 22,700.23 and 8,127.73

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Solution

The fourth proportional to 15,142.80, 22,700.23 and 8,127.73 is: 12,184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.80 : 22,700.23 = 8,127.73 : x
  2. Step 2: Convert to fraction form
    15,142.80/22,700.23 = 8,127.73/x
  3. Step 3: Cross multiply
    15,142.80x = 22,700.23 × 8,127.73
  4. Step 4: Simplify right side
    15,142.80x = 184,501,263.31
  5. Step 5: Solve for x
    x = 184,501,263.31/15,142.80
  6. Step 6: Final answer
    x = 12,184.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.