Home / 13,557.96-20,307.32-5,636.46

Finding the Fourth Proportional to 13,557.96, 20,307.32 and 5,636.46

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Solution

The fourth proportional to 13,557.96, 20,307.32 and 5,636.46 is: 8,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.96 : 20,307.32 = 5,636.46 : x
  2. Step 2: Convert to fraction form
    13,557.96/20,307.32 = 5,636.46/x
  3. Step 3: Cross multiply
    13,557.96x = 20,307.32 × 5,636.46
  4. Step 4: Simplify right side
    13,557.96x = 114,461,396.89
  5. Step 5: Solve for x
    x = 114,461,396.89/13,557.96
  6. Step 6: Final answer
    x = 8,442.38

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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.