Home / 9,438.09-14,157.12-4,237.89

Finding the Fourth Proportional to 9,438.09, 14,157.12 and 4,237.89

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Solution

The fourth proportional to 9,438.09, 14,157.12 and 4,237.89 is: 6,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.09 : 14,157.12 = 4,237.89 : x
  2. Step 2: Convert to fraction form
    9,438.09/14,157.12 = 4,237.89/x
  3. Step 3: Cross multiply
    9,438.09x = 14,157.12 × 4,237.89
  4. Step 4: Simplify right side
    9,438.09x = 59,996,317.28
  5. Step 5: Solve for x
    x = 59,996,317.28/9,438.09
  6. Step 6: Final answer
    x = 6,356.83

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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.