Home / 13,860.19-19,127.06-7,572.56

Finding the Fourth Proportional to 13,860.19, 19,127.06 and 7,572.56

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Solution

The fourth proportional to 13,860.19, 19,127.06 and 7,572.56 is: 10,450.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.19 : 19,127.06 = 7,572.56 : x
  2. Step 2: Convert to fraction form
    13,860.19/19,127.06 = 7,572.56/x
  3. Step 3: Cross multiply
    13,860.19x = 19,127.06 × 7,572.56
  4. Step 4: Simplify right side
    13,860.19x = 144,840,876.22
  5. Step 5: Solve for x
    x = 144,840,876.22/13,860.19
  6. Step 6: Final answer
    x = 10,450.14

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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.