Home / 18,900.12-28,354.02-6,596.76

Finding the Fourth Proportional to 18,900.12, 28,354.02 and 6,596.76

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Solution

The fourth proportional to 18,900.12, 28,354.02 and 6,596.76 is: 9,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.12 : 28,354.02 = 6,596.76 : x
  2. Step 2: Convert to fraction form
    18,900.12/28,354.02 = 6,596.76/x
  3. Step 3: Cross multiply
    18,900.12x = 28,354.02 × 6,596.76
  4. Step 4: Simplify right side
    18,900.12x = 187,044,664.98
  5. Step 5: Solve for x
    x = 187,044,664.98/18,900.12
  6. Step 6: Final answer
    x = 9,896.48

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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.