Home / 8,334.46-11,472.30-7,547.14

Finding the Fourth Proportional to 8,334.46, 11,472.30 and 7,547.14

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Solution

The fourth proportional to 8,334.46, 11,472.30 and 7,547.14 is: 10,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,334.46 : 11,472.30 = 7,547.14 : x
  2. Step 2: Convert to fraction form
    8,334.46/11,472.30 = 7,547.14/x
  3. Step 3: Cross multiply
    8,334.46x = 11,472.30 × 7,547.14
  4. Step 4: Simplify right side
    8,334.46x = 86,583,054.22
  5. Step 5: Solve for x
    x = 86,583,054.22/8,334.46
  6. Step 6: Final answer
    x = 10,388.56

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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.