Home / 10,363.66-15,549.30-6,471.34

Finding the Fourth Proportional to 10,363.66, 15,549.30 and 6,471.34

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Solution

The fourth proportional to 10,363.66, 15,549.30 and 6,471.34 is: 9,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.66 : 15,549.30 = 6,471.34 : x
  2. Step 2: Convert to fraction form
    10,363.66/15,549.30 = 6,471.34/x
  3. Step 3: Cross multiply
    10,363.66x = 15,549.30 × 6,471.34
  4. Step 4: Simplify right side
    10,363.66x = 100,624,807.06
  5. Step 5: Solve for x
    x = 100,624,807.06/10,363.66
  6. Step 6: Final answer
    x = 9,709.39

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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.