Home / 12,340.01-18,507.95-4,440.91

Finding the Fourth Proportional to 12,340.01, 18,507.95 and 4,440.91

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Solution

The fourth proportional to 12,340.01, 18,507.95 and 4,440.91 is: 6,660.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.01 : 18,507.95 = 4,440.91 : x
  2. Step 2: Convert to fraction form
    12,340.01/18,507.95 = 4,440.91/x
  3. Step 3: Cross multiply
    12,340.01x = 18,507.95 × 4,440.91
  4. Step 4: Simplify right side
    12,340.01x = 82,192,140.23
  5. Step 5: Solve for x
    x = 82,192,140.23/12,340.01
  6. Step 6: Final answer
    x = 6,660.62

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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.