Home / 20,062.19-27,690.46-13,348.10

Finding the Fourth Proportional to 20,062.19, 27,690.46 and 13,348.10

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Solution

The fourth proportional to 20,062.19, 27,690.46 and 13,348.10 is: 18,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.19 : 27,690.46 = 13,348.10 : x
  2. Step 2: Convert to fraction form
    20,062.19/27,690.46 = 13,348.10/x
  3. Step 3: Cross multiply
    20,062.19x = 27,690.46 × 13,348.10
  4. Step 4: Simplify right side
    20,062.19x = 369,615,064.98
  5. Step 5: Solve for x
    x = 369,615,064.98/20,062.19
  6. Step 6: Final answer
    x = 18,423.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.