Home / 13,259.34-18,297.96-7,290.90

Finding the Fourth Proportional to 13,259.34, 18,297.96 and 7,290.90

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Solution

The fourth proportional to 13,259.34, 18,297.96 and 7,290.90 is: 10,061.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.34 : 18,297.96 = 7,290.90 : x
  2. Step 2: Convert to fraction form
    13,259.34/18,297.96 = 7,290.90/x
  3. Step 3: Cross multiply
    13,259.34x = 18,297.96 × 7,290.90
  4. Step 4: Simplify right side
    13,259.34x = 133,408,596.56
  5. Step 5: Solve for x
    x = 133,408,596.56/13,259.34
  6. Step 6: Final answer
    x = 10,061.48

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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.