Home / 9,250.49-13,905.81-7,421.61

Finding the Fourth Proportional to 9,250.49, 13,905.81 and 7,421.61

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Solution

The fourth proportional to 9,250.49, 13,905.81 and 7,421.61 is: 11,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,250.49 : 13,905.81 = 7,421.61 : x
  2. Step 2: Convert to fraction form
    9,250.49/13,905.81 = 7,421.61/x
  3. Step 3: Cross multiply
    9,250.49x = 13,905.81 × 7,421.61
  4. Step 4: Simplify right side
    9,250.49x = 103,203,498.55
  5. Step 5: Solve for x
    x = 103,203,498.55/9,250.49
  6. Step 6: Final answer
    x = 11,156.54

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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.