Home / 14,002.40-21,007.49-6,105.60

Finding the Fourth Proportional to 14,002.40, 21,007.49 and 6,105.60

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Solution

The fourth proportional to 14,002.40, 21,007.49 and 6,105.60 is: 9,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.40 : 21,007.49 = 6,105.60 : x
  2. Step 2: Convert to fraction form
    14,002.40/21,007.49 = 6,105.60/x
  3. Step 3: Cross multiply
    14,002.40x = 21,007.49 × 6,105.60
  4. Step 4: Simplify right side
    14,002.40x = 128,263,346.21
  5. Step 5: Solve for x
    x = 128,263,346.21/14,002.40
  6. Step 6: Final answer
    x = 9,160.10

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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.