Home / 21,693.87-32,545.80-9,214.29

Finding the Fourth Proportional to 21,693.87, 32,545.80 and 9,214.29

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Solution

The fourth proportional to 21,693.87, 32,545.80 and 9,214.29 is: 13,823.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.87 : 32,545.80 = 9,214.29 : x
  2. Step 2: Convert to fraction form
    21,693.87/32,545.80 = 9,214.29/x
  3. Step 3: Cross multiply
    21,693.87x = 32,545.80 × 9,214.29
  4. Step 4: Simplify right side
    21,693.87x = 299,886,439.48
  5. Step 5: Solve for x
    x = 299,886,439.48/21,693.87
  6. Step 6: Final answer
    x = 13,823.56

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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.