Home / 10,012.98-15,020.28-3,439.17

Finding the Fourth Proportional to 10,012.98, 15,020.28 and 3,439.17

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Solution

The fourth proportional to 10,012.98, 15,020.28 and 3,439.17 is: 5,159.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,012.98 : 15,020.28 = 3,439.17 : x
  2. Step 2: Convert to fraction form
    10,012.98/15,020.28 = 3,439.17/x
  3. Step 3: Cross multiply
    10,012.98x = 15,020.28 × 3,439.17
  4. Step 4: Simplify right side
    10,012.98x = 51,657,296.37
  5. Step 5: Solve for x
    x = 51,657,296.37/10,012.98
  6. Step 6: Final answer
    x = 5,159.03

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1.5x scale

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.