Home / 10,317.36-15,476.76-4,474.32

Finding the Fourth Proportional to 10,317.36, 15,476.76 and 4,474.32

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Solution

The fourth proportional to 10,317.36, 15,476.76 and 4,474.32 is: 6,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.36 : 15,476.76 = 4,474.32 : x
  2. Step 2: Convert to fraction form
    10,317.36/15,476.76 = 4,474.32/x
  3. Step 3: Cross multiply
    10,317.36x = 15,476.76 × 4,474.32
  4. Step 4: Simplify right side
    10,317.36x = 69,247,976.80
  5. Step 5: Solve for x
    x = 69,247,976.80/10,317.36
  6. Step 6: Final answer
    x = 6,711.79

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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.