Home / 12,995.06-19,487.70-10,254.02

Finding the Fourth Proportional to 12,995.06, 19,487.70 and 10,254.02

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Solution

The fourth proportional to 12,995.06, 19,487.70 and 10,254.02 is: 15,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.06 : 19,487.70 = 10,254.02 : x
  2. Step 2: Convert to fraction form
    12,995.06/19,487.70 = 10,254.02/x
  3. Step 3: Cross multiply
    12,995.06x = 19,487.70 × 10,254.02
  4. Step 4: Simplify right side
    12,995.06x = 199,827,168.12
  5. Step 5: Solve for x
    x = 199,827,168.12/12,995.06
  6. Step 6: Final answer
    x = 15,377.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.