Home / 13,973.77-19,279.92-8,934.63

Finding the Fourth Proportional to 13,973.77, 19,279.92 and 8,934.63

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Solution

The fourth proportional to 13,973.77, 19,279.92 and 8,934.63 is: 12,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.77 : 19,279.92 = 8,934.63 : x
  2. Step 2: Convert to fraction form
    13,973.77/19,279.92 = 8,934.63/x
  3. Step 3: Cross multiply
    13,973.77x = 19,279.92 × 8,934.63
  4. Step 4: Simplify right side
    13,973.77x = 172,258,951.63
  5. Step 5: Solve for x
    x = 172,258,951.63/13,973.77
  6. Step 6: Final answer
    x = 12,327.31

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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.