Home / 19,472.99-29,211.53-9,602.78

Finding the Fourth Proportional to 19,472.99, 29,211.53 and 9,602.78

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Solution

The fourth proportional to 19,472.99, 29,211.53 and 9,602.78 is: 14,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,472.99 : 29,211.53 = 9,602.78 : x
  2. Step 2: Convert to fraction form
    19,472.99/29,211.53 = 9,602.78/x
  3. Step 3: Cross multiply
    19,472.99x = 29,211.53 × 9,602.78
  4. Step 4: Simplify right side
    19,472.99x = 280,511,701.98
  5. Step 5: Solve for x
    x = 280,511,701.98/19,472.99
  6. Step 6: Final answer
    x = 14,405.17

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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.