Home / 19,493.84-29,305.56-15,113.36

Finding the Fourth Proportional to 19,493.84, 29,305.56 and 15,113.36

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Solution

The fourth proportional to 19,493.84, 29,305.56 and 15,113.36 is: 22,720.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.84 : 29,305.56 = 15,113.36 : x
  2. Step 2: Convert to fraction form
    19,493.84/29,305.56 = 15,113.36/x
  3. Step 3: Cross multiply
    19,493.84x = 29,305.56 × 15,113.36
  4. Step 4: Simplify right side
    19,493.84x = 442,905,478.28
  5. Step 5: Solve for x
    x = 442,905,478.28/19,493.84
  6. Step 6: Final answer
    x = 22,720.28

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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.