Home / 10,323.27-15,484.91-4,479.75

Finding the Fourth Proportional to 10,323.27, 15,484.91 and 4,479.75

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Solution

The fourth proportional to 10,323.27, 15,484.91 and 4,479.75 is: 6,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,323.27 : 15,484.91 = 4,479.75 : x
  2. Step 2: Convert to fraction form
    10,323.27/15,484.91 = 4,479.75/x
  3. Step 3: Cross multiply
    10,323.27x = 15,484.91 × 4,479.75
  4. Step 4: Simplify right side
    10,323.27x = 69,368,503.17
  5. Step 5: Solve for x
    x = 69,368,503.17/10,323.27
  6. Step 6: Final answer
    x = 6,719.63

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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.