Home / 11,354.12-15,659.80-7,376.51

Finding the Fourth Proportional to 11,354.12, 15,659.80 and 7,376.51

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Solution

The fourth proportional to 11,354.12, 15,659.80 and 7,376.51 is: 10,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.12 : 15,659.80 = 7,376.51 : x
  2. Step 2: Convert to fraction form
    11,354.12/15,659.80 = 7,376.51/x
  3. Step 3: Cross multiply
    11,354.12x = 15,659.80 × 7,376.51
  4. Step 4: Simplify right side
    11,354.12x = 115,514,671.30
  5. Step 5: Solve for x
    x = 115,514,671.30/11,354.12
  6. Step 6: Final answer
    x = 10,173.82

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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.