Home / 14,490.40-21,694.40-9,545.12

Finding the Fourth Proportional to 14,490.40, 21,694.40 and 9,545.12

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Solution

The fourth proportional to 14,490.40, 21,694.40 and 9,545.12 is: 14,290.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,490.40 : 21,694.40 = 9,545.12 : x
  2. Step 2: Convert to fraction form
    14,490.40/21,694.40 = 9,545.12/x
  3. Step 3: Cross multiply
    14,490.40x = 21,694.40 × 9,545.12
  4. Step 4: Simplify right side
    14,490.40x = 207,075,651.33
  5. Step 5: Solve for x
    x = 207,075,651.33/14,490.40
  6. Step 6: Final answer
    x = 14,290.54

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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.