Home / 10,517.80-14,522.36-7,378.24

Finding the Fourth Proportional to 10,517.80, 14,522.36 and 7,378.24

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Solution

The fourth proportional to 10,517.80, 14,522.36 and 7,378.24 is: 10,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.80 : 14,522.36 = 7,378.24 : x
  2. Step 2: Convert to fraction form
    10,517.80/14,522.36 = 7,378.24/x
  3. Step 3: Cross multiply
    10,517.80x = 14,522.36 × 7,378.24
  4. Step 4: Simplify right side
    10,517.80x = 107,149,457.45
  5. Step 5: Solve for x
    x = 107,149,457.45/10,517.80
  6. Step 6: Final answer
    x = 10,187.44

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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.