Home / 11,746.24-16,207.44-7,972.40

Finding the Fourth Proportional to 11,746.24, 16,207.44 and 7,972.40

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Solution

The fourth proportional to 11,746.24, 16,207.44 and 7,972.40 is: 11,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.24 : 16,207.44 = 7,972.40 : x
  2. Step 2: Convert to fraction form
    11,746.24/16,207.44 = 7,972.40/x
  3. Step 3: Cross multiply
    11,746.24x = 16,207.44 × 7,972.40
  4. Step 4: Simplify right side
    11,746.24x = 129,212,194.66
  5. Step 5: Solve for x
    x = 129,212,194.66/11,746.24
  6. Step 6: Final answer
    x = 11,000.30

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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.