Home / 12,381.46-18,574.02-4,484.57

Finding the Fourth Proportional to 12,381.46, 18,574.02 and 4,484.57

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Solution

The fourth proportional to 12,381.46, 18,574.02 and 4,484.57 is: 6,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381.46 : 18,574.02 = 4,484.57 : x
  2. Step 2: Convert to fraction form
    12,381.46/18,574.02 = 4,484.57/x
  3. Step 3: Cross multiply
    12,381.46x = 18,574.02 × 4,484.57
  4. Step 4: Simplify right side
    12,381.46x = 83,296,400.00
  5. Step 5: Solve for x
    x = 83,296,400.00/12,381.46
  6. Step 6: Final answer
    x = 6,727.51

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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.