Home / 13,860.12-19,127.03-7,572.63

Finding the Fourth Proportional to 13,860.12, 19,127.03 and 7,572.63

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Solution

The fourth proportional to 13,860.12, 19,127.03 and 7,572.63 is: 10,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.12 : 19,127.03 = 7,572.63 : x
  2. Step 2: Convert to fraction form
    13,860.12/19,127.03 = 7,572.63/x
  3. Step 3: Cross multiply
    13,860.12x = 19,127.03 × 7,572.63
  4. Step 4: Simplify right side
    13,860.12x = 144,841,883.33
  5. Step 5: Solve for x
    x = 144,841,883.33/13,860.12
  6. Step 6: Final answer
    x = 10,450.26

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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.