Home / 12,670.96-17,487.16-7,365.36

Finding the Fourth Proportional to 12,670.96, 17,487.16 and 7,365.36

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Solution

The fourth proportional to 12,670.96, 17,487.16 and 7,365.36 is: 10,164.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.96 : 17,487.16 = 7,365.36 : x
  2. Step 2: Convert to fraction form
    12,670.96/17,487.16 = 7,365.36/x
  3. Step 3: Cross multiply
    12,670.96x = 17,487.16 × 7,365.36
  4. Step 4: Simplify right side
    12,670.96x = 128,799,228.78
  5. Step 5: Solve for x
    x = 128,799,228.78/12,670.96
  6. Step 6: Final answer
    x = 10,164.91

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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.