Home / 12,612.42-17,405.15-7,310.32

Finding the Fourth Proportional to 12,612.42, 17,405.15 and 7,310.32

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Solution

The fourth proportional to 12,612.42, 17,405.15 and 7,310.32 is: 10,088.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.42 : 17,405.15 = 7,310.32 : x
  2. Step 2: Convert to fraction form
    12,612.42/17,405.15 = 7,310.32/x
  3. Step 3: Cross multiply
    12,612.42x = 17,405.15 × 7,310.32
  4. Step 4: Simplify right side
    12,612.42x = 127,237,136.08
  5. Step 5: Solve for x
    x = 127,237,136.08/12,612.42
  6. Step 6: Final answer
    x = 10,088.24

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Similar ratio
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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.