Home / 13,860.56-19,127.59-7,572.94

Finding the Fourth Proportional to 13,860.56, 19,127.59 and 7,572.94

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Solution

The fourth proportional to 13,860.56, 19,127.59 and 7,572.94 is: 10,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.56 : 19,127.59 = 7,572.94 : x
  2. Step 2: Convert to fraction form
    13,860.56/19,127.59 = 7,572.94/x
  3. Step 3: Cross multiply
    13,860.56x = 19,127.59 × 7,572.94
  4. Step 4: Simplify right side
    13,860.56x = 144,852,024.66
  5. Step 5: Solve for x
    x = 144,852,024.66/13,860.56
  6. Step 6: Final answer
    x = 10,450.66

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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.