Home / 10,188.40-15,280.94-6,238.30

Finding the Fourth Proportional to 10,188.40, 15,280.94 and 6,238.30

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Solution

The fourth proportional to 10,188.40, 15,280.94 and 6,238.30 is: 9,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.40 : 15,280.94 = 6,238.30 : x
  2. Step 2: Convert to fraction form
    10,188.40/15,280.94 = 6,238.30/x
  3. Step 3: Cross multiply
    10,188.40x = 15,280.94 × 6,238.30
  4. Step 4: Simplify right side
    10,188.40x = 95,327,088.00
  5. Step 5: Solve for x
    x = 95,327,088.00/10,188.40
  6. Step 6: Final answer
    x = 9,356.43

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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.