Home / 18,280.80-27,421.86-9,393.74

Finding the Fourth Proportional to 18,280.80, 27,421.86 and 9,393.74

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Solution

The fourth proportional to 18,280.80, 27,421.86 and 9,393.74 is: 14,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,280.80 : 27,421.86 = 9,393.74 : x
  2. Step 2: Convert to fraction form
    18,280.80/27,421.86 = 9,393.74/x
  3. Step 3: Cross multiply
    18,280.80x = 27,421.86 × 9,393.74
  4. Step 4: Simplify right side
    18,280.80x = 257,593,823.16
  5. Step 5: Solve for x
    x = 257,593,823.16/18,280.80
  6. Step 6: Final answer
    x = 14,090.95

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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.