Home / 13,529.07-20,282.81-6,862.10

Finding the Fourth Proportional to 13,529.07, 20,282.81 and 6,862.10

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Solution

The fourth proportional to 13,529.07, 20,282.81 and 6,862.10 is: 10,287.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.07 : 20,282.81 = 6,862.10 : x
  2. Step 2: Convert to fraction form
    13,529.07/20,282.81 = 6,862.10/x
  3. Step 3: Cross multiply
    13,529.07x = 20,282.81 × 6,862.10
  4. Step 4: Simplify right side
    13,529.07x = 139,182,534.78
  5. Step 5: Solve for x
    x = 139,182,534.78/13,529.07
  6. Step 6: Final answer
    x = 10,287.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.