Home / 10,956.25-15,119.63-6,764.50

Finding the Fourth Proportional to 10,956.25, 15,119.63 and 6,764.50

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Solution

The fourth proportional to 10,956.25, 15,119.63 and 6,764.50 is: 9,335.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.25 : 15,119.63 = 6,764.50 : x
  2. Step 2: Convert to fraction form
    10,956.25/15,119.63 = 6,764.50/x
  3. Step 3: Cross multiply
    10,956.25x = 15,119.63 × 6,764.50
  4. Step 4: Simplify right side
    10,956.25x = 102,276,737.14
  5. Step 5: Solve for x
    x = 102,276,737.14/10,956.25
  6. Step 6: Final answer
    x = 9,335.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.