Home / 13,371.81-20,058.02-4,487.12

Finding the Fourth Proportional to 13,371.81, 20,058.02 and 4,487.12

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Solution

The fourth proportional to 13,371.81, 20,058.02 and 4,487.12 is: 6,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.81 : 20,058.02 = 4,487.12 : x
  2. Step 2: Convert to fraction form
    13,371.81/20,058.02 = 4,487.12/x
  3. Step 3: Cross multiply
    13,371.81x = 20,058.02 × 4,487.12
  4. Step 4: Simplify right side
    13,371.81x = 90,002,619.98
  5. Step 5: Solve for x
    x = 90,002,619.98/13,371.81
  6. Step 6: Final answer
    x = 6,730.77

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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.