Home / 9,307.89-13,962.45-4,113.75

Finding the Fourth Proportional to 9,307.89, 13,962.45 and 4,113.75

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Solution

The fourth proportional to 9,307.89, 13,962.45 and 4,113.75 is: 6,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.89 : 13,962.45 = 4,113.75 : x
  2. Step 2: Convert to fraction form
    9,307.89/13,962.45 = 4,113.75/x
  3. Step 3: Cross multiply
    9,307.89x = 13,962.45 × 4,113.75
  4. Step 4: Simplify right side
    9,307.89x = 57,438,028.69
  5. Step 5: Solve for x
    x = 57,438,028.69/9,307.89
  6. Step 6: Final answer
    x = 6,170.90

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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.