Home / 10,210.32-15,314.67-3,190.25

Finding the Fourth Proportional to 10,210.32, 15,314.67 and 3,190.25

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Solution

The fourth proportional to 10,210.32, 15,314.67 and 3,190.25 is: 4,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,210.32 : 15,314.67 = 3,190.25 : x
  2. Step 2: Convert to fraction form
    10,210.32/15,314.67 = 3,190.25/x
  3. Step 3: Cross multiply
    10,210.32x = 15,314.67 × 3,190.25
  4. Step 4: Simplify right side
    10,210.32x = 48,857,664.25
  5. Step 5: Solve for x
    x = 48,857,664.25/10,210.32
  6. Step 6: Final answer
    x = 4,785.13

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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.