Home / 13,557.97-20,333.31-4,790.53

Finding the Fourth Proportional to 13,557.97, 20,333.31 and 4,790.53

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Solution

The fourth proportional to 13,557.97, 20,333.31 and 4,790.53 is: 7,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.97 : 20,333.31 = 4,790.53 : x
  2. Step 2: Convert to fraction form
    13,557.97/20,333.31 = 4,790.53/x
  3. Step 3: Cross multiply
    13,557.97x = 20,333.31 × 4,790.53
  4. Step 4: Simplify right side
    13,557.97x = 97,407,331.55
  5. Step 5: Solve for x
    x = 97,407,331.55/13,557.97
  6. Step 6: Final answer
    x = 7,184.51

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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.