Home / 13,812.57-19,061.36-7,524.95

Finding the Fourth Proportional to 13,812.57, 19,061.36 and 7,524.95

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Solution

The fourth proportional to 13,812.57, 19,061.36 and 7,524.95 is: 10,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.57 : 19,061.36 = 7,524.95 : x
  2. Step 2: Convert to fraction form
    13,812.57/19,061.36 = 7,524.95/x
  3. Step 3: Cross multiply
    13,812.57x = 19,061.36 × 7,524.95
  4. Step 4: Simplify right side
    13,812.57x = 143,435,676.22
  5. Step 5: Solve for x
    x = 143,435,676.22/13,812.57
  6. Step 6: Final answer
    x = 10,384.43

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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.