Home / 12,473.06-17,212.40-7,434.68

Finding the Fourth Proportional to 12,473.06, 17,212.40 and 7,434.68

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Solution

The fourth proportional to 12,473.06, 17,212.40 and 7,434.68 is: 10,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.06 : 17,212.40 = 7,434.68 : x
  2. Step 2: Convert to fraction form
    12,473.06/17,212.40 = 7,434.68/x
  3. Step 3: Cross multiply
    12,473.06x = 17,212.40 × 7,434.68
  4. Step 4: Simplify right side
    12,473.06x = 127,968,686.03
  5. Step 5: Solve for x
    x = 127,968,686.03/12,473.06
  6. Step 6: Final answer
    x = 10,259.61

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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.