Home / 13,282.05-19,925.51-5,491.47

Finding the Fourth Proportional to 13,282.05, 19,925.51 and 5,491.47

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Solution

The fourth proportional to 13,282.05, 19,925.51 and 5,491.47 is: 8,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.05 : 19,925.51 = 5,491.47 : x
  2. Step 2: Convert to fraction form
    13,282.05/19,925.51 = 5,491.47/x
  3. Step 3: Cross multiply
    13,282.05x = 19,925.51 × 5,491.47
  4. Step 4: Simplify right side
    13,282.05x = 109,420,340.40
  5. Step 5: Solve for x
    x = 109,420,340.40/13,282.05
  6. Step 6: Final answer
    x = 8,238.21

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1.5x scale

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.