Home / 23,144.18-34,710.80-9,989.37

Finding the Fourth Proportional to 23,144.18, 34,710.80 and 9,989.37

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Solution

The fourth proportional to 23,144.18, 34,710.80 and 9,989.37 is: 14,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.18 : 34,710.80 = 9,989.37 : x
  2. Step 2: Convert to fraction form
    23,144.18/34,710.80 = 9,989.37/x
  3. Step 3: Cross multiply
    23,144.18x = 34,710.80 × 9,989.37
  4. Step 4: Simplify right side
    23,144.18x = 346,738,974.25
  5. Step 5: Solve for x
    x = 346,738,974.25/23,144.18
  6. Step 6: Final answer
    x = 14,981.70

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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.