Home / 12,509.32-17,247.18-8,025.16

Finding the Fourth Proportional to 12,509.32, 17,247.18 and 8,025.16

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Solution

The fourth proportional to 12,509.32, 17,247.18 and 8,025.16 is: 11,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.32 : 17,247.18 = 8,025.16 : x
  2. Step 2: Convert to fraction form
    12,509.32/17,247.18 = 8,025.16/x
  3. Step 3: Cross multiply
    12,509.32x = 17,247.18 × 8,025.16
  4. Step 4: Simplify right side
    12,509.32x = 138,411,379.05
  5. Step 5: Solve for x
    x = 138,411,379.05/12,509.32
  6. Step 6: Final answer
    x = 11,064.66

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.