Home / 10,680.39-16,024.71-4,438.80

Finding the Fourth Proportional to 10,680.39, 16,024.71 and 4,438.80

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Solution

The fourth proportional to 10,680.39, 16,024.71 and 4,438.80 is: 6,659.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.39 : 16,024.71 = 4,438.80 : x
  2. Step 2: Convert to fraction form
    10,680.39/16,024.71 = 4,438.80/x
  3. Step 3: Cross multiply
    10,680.39x = 16,024.71 × 4,438.80
  4. Step 4: Simplify right side
    10,680.39x = 71,130,482.75
  5. Step 5: Solve for x
    x = 71,130,482.75/10,680.39
  6. Step 6: Final answer
    x = 6,659.91

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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.