Home / 19,621.38-29,391.42-9,595.98

Finding the Fourth Proportional to 19,621.38, 29,391.42 and 9,595.98

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Solution

The fourth proportional to 19,621.38, 29,391.42 and 9,595.98 is: 14,374.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.38 : 29,391.42 = 9,595.98 : x
  2. Step 2: Convert to fraction form
    19,621.38/29,391.42 = 9,595.98/x
  3. Step 3: Cross multiply
    19,621.38x = 29,391.42 × 9,595.98
  4. Step 4: Simplify right side
    19,621.38x = 282,039,478.49
  5. Step 5: Solve for x
    x = 282,039,478.49/19,621.38
  6. Step 6: Final answer
    x = 14,374.09

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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.