Home / 21,683.73-32,516.40-6,888.69

Finding the Fourth Proportional to 21,683.73, 32,516.40 and 6,888.69

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Solution

The fourth proportional to 21,683.73, 32,516.40 and 6,888.69 is: 10,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.73 : 32,516.40 = 6,888.69 : x
  2. Step 2: Convert to fraction form
    21,683.73/32,516.40 = 6,888.69/x
  3. Step 3: Cross multiply
    21,683.73x = 32,516.40 × 6,888.69
  4. Step 4: Simplify right side
    21,683.73x = 223,995,399.52
  5. Step 5: Solve for x
    x = 223,995,399.52/21,683.73
  6. Step 6: Final answer
    x = 10,330.11

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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.