Home / 13,763.16-18,993.22-7,475.56

Finding the Fourth Proportional to 13,763.16, 18,993.22 and 7,475.56

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Solution

The fourth proportional to 13,763.16, 18,993.22 and 7,475.56 is: 10,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763.16 : 18,993.22 = 7,475.56 : x
  2. Step 2: Convert to fraction form
    13,763.16/18,993.22 = 7,475.56/x
  3. Step 3: Cross multiply
    13,763.16x = 18,993.22 × 7,475.56
  4. Step 4: Simplify right side
    13,763.16x = 141,984,955.70
  5. Step 5: Solve for x
    x = 141,984,955.70/13,763.16
  6. Step 6: Final answer
    x = 10,316.30

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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.