Home / 21,946.85-32,916.83-7,155.65

Finding the Fourth Proportional to 21,946.85, 32,916.83 and 7,155.65

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Solution

The fourth proportional to 21,946.85, 32,916.83 and 7,155.65 is: 10,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,946.85 : 32,916.83 = 7,155.65 : x
  2. Step 2: Convert to fraction form
    21,946.85/32,916.83 = 7,155.65/x
  3. Step 3: Cross multiply
    21,946.85x = 32,916.83 × 7,155.65
  4. Step 4: Simplify right side
    21,946.85x = 235,541,114.23
  5. Step 5: Solve for x
    x = 235,541,114.23/21,946.85
  6. Step 6: Final answer
    x = 10,732.34

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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.