Home / 18,900.17-28,294.90-14,923.63

Finding the Fourth Proportional to 18,900.17, 28,294.90 and 14,923.63

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Solution

The fourth proportional to 18,900.17, 28,294.90 and 14,923.63 is: 22,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.17 : 28,294.90 = 14,923.63 : x
  2. Step 2: Convert to fraction form
    18,900.17/28,294.90 = 14,923.63/x
  3. Step 3: Cross multiply
    18,900.17x = 28,294.90 × 14,923.63
  4. Step 4: Simplify right side
    18,900.17x = 422,262,618.49
  5. Step 5: Solve for x
    x = 422,262,618.49/18,900.17
  6. Step 6: Final answer
    x = 22,341.74

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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.