Home / 18,939.83-28,426.95-9,586.35

Finding the Fourth Proportional to 18,939.83, 28,426.95 and 9,586.35

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Solution

The fourth proportional to 18,939.83, 28,426.95 and 9,586.35 is: 14,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939.83 : 28,426.95 = 9,586.35 : x
  2. Step 2: Convert to fraction form
    18,939.83/28,426.95 = 9,586.35/x
  3. Step 3: Cross multiply
    18,939.83x = 28,426.95 × 9,586.35
  4. Step 4: Simplify right side
    18,939.83x = 272,510,692.13
  5. Step 5: Solve for x
    x = 272,510,692.13/18,939.83
  6. Step 6: Final answer
    x = 14,388.24

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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.