Home / 12,494.06-17,242.01-7,457.30

Finding the Fourth Proportional to 12,494.06, 17,242.01 and 7,457.30

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Solution

The fourth proportional to 12,494.06, 17,242.01 and 7,457.30 is: 10,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.06 : 17,242.01 = 7,457.30 : x
  2. Step 2: Convert to fraction form
    12,494.06/17,242.01 = 7,457.30/x
  3. Step 3: Cross multiply
    12,494.06x = 17,242.01 × 7,457.30
  4. Step 4: Simplify right side
    12,494.06x = 128,578,717.68
  5. Step 5: Solve for x
    x = 128,578,717.68/12,494.06
  6. Step 6: Final answer
    x = 10,291.19

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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.