Home / 21,696.90-32,545.35-7,842.66

Finding the Fourth Proportional to 21,696.90, 32,545.35 and 7,842.66

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Solution

The fourth proportional to 21,696.90, 32,545.35 and 7,842.66 is: 11,763.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696.90 : 32,545.35 = 7,842.66 : x
  2. Step 2: Convert to fraction form
    21,696.90/32,545.35 = 7,842.66/x
  3. Step 3: Cross multiply
    21,696.90x = 32,545.35 × 7,842.66
  4. Step 4: Simplify right side
    21,696.90x = 255,242,114.63
  5. Step 5: Solve for x
    x = 255,242,114.63/21,696.90
  6. Step 6: Final answer
    x = 11,763.99

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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.