Home / 13,557.52-20,329.44-4,791.16

Finding the Fourth Proportional to 13,557.52, 20,329.44 and 4,791.16

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Solution

The fourth proportional to 13,557.52, 20,329.44 and 4,791.16 is: 7,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.52 : 20,329.44 = 4,791.16 : x
  2. Step 2: Convert to fraction form
    13,557.52/20,329.44 = 4,791.16/x
  3. Step 3: Cross multiply
    13,557.52x = 20,329.44 × 4,791.16
  4. Step 4: Simplify right side
    13,557.52x = 97,401,599.75
  5. Step 5: Solve for x
    x = 97,401,599.75/13,557.52
  6. Step 6: Final answer
    x = 7,184.32

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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.