Home / 13,744.80-18,967.77-7,457.13

Finding the Fourth Proportional to 13,744.80, 18,967.77 and 7,457.13

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Solution

The fourth proportional to 13,744.80, 18,967.77 and 7,457.13 is: 10,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.80 : 18,967.77 = 7,457.13 : x
  2. Step 2: Convert to fraction form
    13,744.80/18,967.77 = 7,457.13/x
  3. Step 3: Cross multiply
    13,744.80x = 18,967.77 × 7,457.13
  4. Step 4: Simplify right side
    13,744.80x = 141,445,126.70
  5. Step 5: Solve for x
    x = 141,445,126.70/13,744.80
  6. Step 6: Final answer
    x = 10,290.81

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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.