Home / 18,300.30-27,406.50-9,959.58

Finding the Fourth Proportional to 18,300.30, 27,406.50 and 9,959.58

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Solution

The fourth proportional to 18,300.30, 27,406.50 and 9,959.58 is: 14,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,300.30 : 27,406.50 = 9,959.58 : x
  2. Step 2: Convert to fraction form
    18,300.30/27,406.50 = 9,959.58/x
  3. Step 3: Cross multiply
    18,300.30x = 27,406.50 × 9,959.58
  4. Step 4: Simplify right side
    18,300.30x = 272,957,229.27
  5. Step 5: Solve for x
    x = 272,957,229.27/18,300.30
  6. Step 6: Final answer
    x = 14,915.45

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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.