Home / 13,860.18-19,126.98-7,572.54

Finding the Fourth Proportional to 13,860.18, 19,126.98 and 7,572.54

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Solution

The fourth proportional to 13,860.18, 19,126.98 and 7,572.54 is: 10,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.18 : 19,126.98 = 7,572.54 : x
  2. Step 2: Convert to fraction form
    13,860.18/19,126.98 = 7,572.54/x
  3. Step 3: Cross multiply
    13,860.18x = 19,126.98 × 7,572.54
  4. Step 4: Simplify right side
    13,860.18x = 144,839,821.13
  5. Step 5: Solve for x
    x = 144,839,821.13/13,860.18
  6. Step 6: Final answer
    x = 10,450.07

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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.