Home / 12,457.32-17,195.90-9,126.58

Finding the Fourth Proportional to 12,457.32, 17,195.90 and 9,126.58

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Solution

The fourth proportional to 12,457.32, 17,195.90 and 9,126.58 is: 12,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.32 : 17,195.90 = 9,126.58 : x
  2. Step 2: Convert to fraction form
    12,457.32/17,195.90 = 9,126.58/x
  3. Step 3: Cross multiply
    12,457.32x = 17,195.90 × 9,126.58
  4. Step 4: Simplify right side
    12,457.32x = 156,939,757.02
  5. Step 5: Solve for x
    x = 156,939,757.02/12,457.32
  6. Step 6: Final answer
    x = 12,598.20

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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.