Home / 9,438.84-13,023.66-5,458.50

Finding the Fourth Proportional to 9,438.84, 13,023.66 and 5,458.50

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Solution

The fourth proportional to 9,438.84, 13,023.66 and 5,458.50 is: 7,531.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.84 : 13,023.66 = 5,458.50 : x
  2. Step 2: Convert to fraction form
    9,438.84/13,023.66 = 5,458.50/x
  3. Step 3: Cross multiply
    9,438.84x = 13,023.66 × 5,458.50
  4. Step 4: Simplify right side
    9,438.84x = 71,089,648.11
  5. Step 5: Solve for x
    x = 71,089,648.11/9,438.84
  6. Step 6: Final answer
    x = 7,531.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.