Home / 16,853.43-25,240.75-13,319.72

Finding the Fourth Proportional to 16,853.43, 25,240.75 and 13,319.72

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Solution

The fourth proportional to 16,853.43, 25,240.75 and 13,319.72 is: 19,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.43 : 25,240.75 = 13,319.72 : x
  2. Step 2: Convert to fraction form
    16,853.43/25,240.75 = 13,319.72/x
  3. Step 3: Cross multiply
    16,853.43x = 25,240.75 × 13,319.72
  4. Step 4: Simplify right side
    16,853.43x = 336,199,799.72
  5. Step 5: Solve for x
    x = 336,199,799.72/16,853.43
  6. Step 6: Final answer
    x = 19,948.45

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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.