Home / 21,558.53-32,341.23-6,763.95

Finding the Fourth Proportional to 21,558.53, 32,341.23 and 6,763.95

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Solution

The fourth proportional to 21,558.53, 32,341.23 and 6,763.95 is: 10,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.53 : 32,341.23 = 6,763.95 : x
  2. Step 2: Convert to fraction form
    21,558.53/32,341.23 = 6,763.95/x
  3. Step 3: Cross multiply
    21,558.53x = 32,341.23 × 6,763.95
  4. Step 4: Simplify right side
    21,558.53x = 218,754,462.66
  5. Step 5: Solve for x
    x = 218,754,462.66/21,558.53
  6. Step 6: Final answer
    x = 10,147.00

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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.