Home / 10,118.30-15,170.15-6,214.50

Finding the Fourth Proportional to 10,118.30, 15,170.15 and 6,214.50

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Solution

The fourth proportional to 10,118.30, 15,170.15 and 6,214.50 is: 9,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.30 : 15,170.15 = 6,214.50 : x
  2. Step 2: Convert to fraction form
    10,118.30/15,170.15 = 6,214.50/x
  3. Step 3: Cross multiply
    10,118.30x = 15,170.15 × 6,214.50
  4. Step 4: Simplify right side
    10,118.30x = 94,274,912.71
  5. Step 5: Solve for x
    x = 94,274,912.71/10,118.30
  6. Step 6: Final answer
    x = 9,317.27

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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.