Home / 10,509.70-15,766.88-4,587.54

Finding the Fourth Proportional to 10,509.70, 15,766.88 and 4,587.54

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Solution

The fourth proportional to 10,509.70, 15,766.88 and 4,587.54 is: 6,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.70 : 15,766.88 = 4,587.54 : x
  2. Step 2: Convert to fraction form
    10,509.70/15,766.88 = 4,587.54/x
  3. Step 3: Cross multiply
    10,509.70x = 15,766.88 × 4,587.54
  4. Step 4: Simplify right side
    10,509.70x = 72,331,192.68
  5. Step 5: Solve for x
    x = 72,331,192.68/10,509.70
  6. Step 6: Final answer
    x = 6,882.33

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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.