Home / 12,936.61-17,852.13-7,271.25

Finding the Fourth Proportional to 12,936.61, 17,852.13 and 7,271.25

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Solution

The fourth proportional to 12,936.61, 17,852.13 and 7,271.25 is: 10,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.61 : 17,852.13 = 7,271.25 : x
  2. Step 2: Convert to fraction form
    12,936.61/17,852.13 = 7,271.25/x
  3. Step 3: Cross multiply
    12,936.61x = 17,852.13 × 7,271.25
  4. Step 4: Simplify right side
    12,936.61x = 129,807,300.26
  5. Step 5: Solve for x
    x = 129,807,300.26/12,936.61
  6. Step 6: Final answer
    x = 10,034.10

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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.