Home / 10,002.10-14,991.15-4,443.70

Finding the Fourth Proportional to 10,002.10, 14,991.15 and 4,443.70

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Solution

The fourth proportional to 10,002.10, 14,991.15 and 4,443.70 is: 6,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.10 : 14,991.15 = 4,443.70 : x
  2. Step 2: Convert to fraction form
    10,002.10/14,991.15 = 4,443.70/x
  3. Step 3: Cross multiply
    10,002.10x = 14,991.15 × 4,443.70
  4. Step 4: Simplify right side
    10,002.10x = 66,616,173.26
  5. Step 5: Solve for x
    x = 66,616,173.26/10,002.10
  6. Step 6: Final answer
    x = 6,660.22

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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.