Home / 15,479.46-23,235.57-9,640.17

Finding the Fourth Proportional to 15,479.46, 23,235.57 and 9,640.17

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Solution

The fourth proportional to 15,479.46, 23,235.57 and 9,640.17 is: 14,470.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.46 : 23,235.57 = 9,640.17 : x
  2. Step 2: Convert to fraction form
    15,479.46/23,235.57 = 9,640.17/x
  3. Step 3: Cross multiply
    15,479.46x = 23,235.57 × 9,640.17
  4. Step 4: Simplify right side
    15,479.46x = 223,994,844.85
  5. Step 5: Solve for x
    x = 223,994,844.85/15,479.46
  6. Step 6: Final answer
    x = 14,470.46

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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.