Home / 13,434.02-20,149.43-4,073.66

Finding the Fourth Proportional to 13,434.02, 20,149.43 and 4,073.66

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Solution

The fourth proportional to 13,434.02, 20,149.43 and 4,073.66 is: 6,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434.02 : 20,149.43 = 4,073.66 : x
  2. Step 2: Convert to fraction form
    13,434.02/20,149.43 = 4,073.66/x
  3. Step 3: Cross multiply
    13,434.02x = 20,149.43 × 4,073.66
  4. Step 4: Simplify right side
    13,434.02x = 82,081,881.46
  5. Step 5: Solve for x
    x = 82,081,881.46/13,434.02
  6. Step 6: Final answer
    x = 6,110.00

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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.