Home / 12,637.02-17,439.87-7,261.14

Finding the Fourth Proportional to 12,637.02, 17,439.87 and 7,261.14

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Solution

The fourth proportional to 12,637.02, 17,439.87 and 7,261.14 is: 10,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.02 : 17,439.87 = 7,261.14 : x
  2. Step 2: Convert to fraction form
    12,637.02/17,439.87 = 7,261.14/x
  3. Step 3: Cross multiply
    12,637.02x = 17,439.87 × 7,261.14
  4. Step 4: Simplify right side
    12,637.02x = 126,633,337.65
  5. Step 5: Solve for x
    x = 126,633,337.65/12,637.02
  6. Step 6: Final answer
    x = 10,020.82

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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.