Home / 12,559.21-18,833.86-5,539.53

Finding the Fourth Proportional to 12,559.21, 18,833.86 and 5,539.53

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Solution

The fourth proportional to 12,559.21, 18,833.86 and 5,539.53 is: 8,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.21 : 18,833.86 = 5,539.53 : x
  2. Step 2: Convert to fraction form
    12,559.21/18,833.86 = 5,539.53/x
  3. Step 3: Cross multiply
    12,559.21x = 18,833.86 × 5,539.53
  4. Step 4: Simplify right side
    12,559.21x = 104,330,732.49
  5. Step 5: Solve for x
    x = 104,330,732.49/12,559.21
  6. Step 6: Final answer
    x = 8,307.11

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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.