Home / 9,219.06-12,705.96-7,529.58

Finding the Fourth Proportional to 9,219.06, 12,705.96 and 7,529.58

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Solution

The fourth proportional to 9,219.06, 12,705.96 and 7,529.58 is: 10,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.06 : 12,705.96 = 7,529.58 : x
  2. Step 2: Convert to fraction form
    9,219.06/12,705.96 = 7,529.58/x
  3. Step 3: Cross multiply
    9,219.06x = 12,705.96 × 7,529.58
  4. Step 4: Simplify right side
    9,219.06x = 95,670,542.30
  5. Step 5: Solve for x
    x = 95,670,542.30/9,219.06
  6. Step 6: Final answer
    x = 10,377.47

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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.