Home / 19,517.36-29,267.73-13,280.76

Finding the Fourth Proportional to 19,517.36, 29,267.73 and 13,280.76

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Solution

The fourth proportional to 19,517.36, 29,267.73 and 13,280.76 is: 19,915.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.36 : 29,267.73 = 13,280.76 : x
  2. Step 2: Convert to fraction form
    19,517.36/29,267.73 = 13,280.76/x
  3. Step 3: Cross multiply
    19,517.36x = 29,267.73 × 13,280.76
  4. Step 4: Simplify right side
    19,517.36x = 388,697,697.87
  5. Step 5: Solve for x
    x = 388,697,697.87/19,517.36
  6. Step 6: Final answer
    x = 19,915.49

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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.