Home / 13,344.81-20,029.33-7,110.14

Finding the Fourth Proportional to 13,344.81, 20,029.33 and 7,110.14

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Solution

The fourth proportional to 13,344.81, 20,029.33 and 7,110.14 is: 10,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.81 : 20,029.33 = 7,110.14 : x
  2. Step 2: Convert to fraction form
    13,344.81/20,029.33 = 7,110.14/x
  3. Step 3: Cross multiply
    13,344.81x = 20,029.33 × 7,110.14
  4. Step 4: Simplify right side
    13,344.81x = 142,411,340.41
  5. Step 5: Solve for x
    x = 142,411,340.41/13,344.81
  6. Step 6: Final answer
    x = 10,671.66

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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.