Home / 19,419.87-29,123.63-6,269.18

Finding the Fourth Proportional to 19,419.87, 29,123.63 and 6,269.18

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Solution

The fourth proportional to 19,419.87, 29,123.63 and 6,269.18 is: 9,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.87 : 29,123.63 = 6,269.18 : x
  2. Step 2: Convert to fraction form
    19,419.87/29,123.63 = 6,269.18/x
  3. Step 3: Cross multiply
    19,419.87x = 29,123.63 × 6,269.18
  4. Step 4: Simplify right side
    19,419.87x = 182,581,247.38
  5. Step 5: Solve for x
    x = 182,581,247.38/19,419.87
  6. Step 6: Final answer
    x = 9,401.77

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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.