Home / 10,384.84-14,331.17-5,669.20

Finding the Fourth Proportional to 10,384.84, 14,331.17 and 5,669.20

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Solution

The fourth proportional to 10,384.84, 14,331.17 and 5,669.20 is: 7,823.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.84 : 14,331.17 = 5,669.20 : x
  2. Step 2: Convert to fraction form
    10,384.84/14,331.17 = 5,669.20/x
  3. Step 3: Cross multiply
    10,384.84x = 14,331.17 × 5,669.20
  4. Step 4: Simplify right side
    10,384.84x = 81,246,168.96
  5. Step 5: Solve for x
    x = 81,246,168.96/10,384.84
  6. Step 6: Final answer
    x = 7,823.54

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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.