Home / 21,960.30-32,943.65-7,165.58

Finding the Fourth Proportional to 21,960.30, 32,943.65 and 7,165.58

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Solution

The fourth proportional to 21,960.30, 32,943.65 and 7,165.58 is: 10,749.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.30 : 32,943.65 = 7,165.58 : x
  2. Step 2: Convert to fraction form
    21,960.30/32,943.65 = 7,165.58/x
  3. Step 3: Cross multiply
    21,960.30x = 32,943.65 × 7,165.58
  4. Step 4: Simplify right side
    21,960.30x = 236,060,159.02
  5. Step 5: Solve for x
    x = 236,060,159.02/21,960.30
  6. Step 6: Final answer
    x = 10,749.41

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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.