Home / 9,438.18-13,024.94-5,459.55

Finding the Fourth Proportional to 9,438.18, 13,024.94 and 5,459.55

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Solution

The fourth proportional to 9,438.18, 13,024.94 and 5,459.55 is: 7,534.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.18 : 13,024.94 = 5,459.55 : x
  2. Step 2: Convert to fraction form
    9,438.18/13,024.94 = 5,459.55/x
  3. Step 3: Cross multiply
    9,438.18x = 13,024.94 × 5,459.55
  4. Step 4: Simplify right side
    9,438.18x = 71,110,311.18
  5. Step 5: Solve for x
    x = 71,110,311.18/9,438.18
  6. Step 6: Final answer
    x = 7,534.32

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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.