Home / 10,545.72-15,813.40-3,523.32

Finding the Fourth Proportional to 10,545.72, 15,813.40 and 3,523.32

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Solution

The fourth proportional to 10,545.72, 15,813.40 and 3,523.32 is: 5,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.72 : 15,813.40 = 3,523.32 : x
  2. Step 2: Convert to fraction form
    10,545.72/15,813.40 = 3,523.32/x
  3. Step 3: Cross multiply
    10,545.72x = 15,813.40 × 3,523.32
  4. Step 4: Simplify right side
    10,545.72x = 55,715,668.49
  5. Step 5: Solve for x
    x = 55,715,668.49/10,545.72
  6. Step 6: Final answer
    x = 5,283.25

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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.