Home / 12,735.46-17,572.80-7,069.30

Finding the Fourth Proportional to 12,735.46, 17,572.80 and 7,069.30

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Solution

The fourth proportional to 12,735.46, 17,572.80 and 7,069.30 is: 9,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.46 : 17,572.80 = 7,069.30 : x
  2. Step 2: Convert to fraction form
    12,735.46/17,572.80 = 7,069.30/x
  3. Step 3: Cross multiply
    12,735.46x = 17,572.80 × 7,069.30
  4. Step 4: Simplify right side
    12,735.46x = 124,227,395.04
  5. Step 5: Solve for x
    x = 124,227,395.04/12,735.46
  6. Step 6: Final answer
    x = 9,754.45

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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.