Home / 21,746.61-32,606.82-11,872.17

Finding the Fourth Proportional to 21,746.61, 32,606.82 and 11,872.17

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Solution

The fourth proportional to 21,746.61, 32,606.82 and 11,872.17 is: 17,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,746.61 : 32,606.82 = 11,872.17 : x
  2. Step 2: Convert to fraction form
    21,746.61/32,606.82 = 11,872.17/x
  3. Step 3: Cross multiply
    21,746.61x = 32,606.82 × 11,872.17
  4. Step 4: Simplify right side
    21,746.61x = 387,113,710.20
  5. Step 5: Solve for x
    x = 387,113,710.20/21,746.61
  6. Step 6: Final answer
    x = 17,801.11

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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.