Home / 10,388.82-14,337.10-5,913.21

Finding the Fourth Proportional to 10,388.82, 14,337.10 and 5,913.21

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Solution

The fourth proportional to 10,388.82, 14,337.10 and 5,913.21 is: 8,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.82 : 14,337.10 = 5,913.21 : x
  2. Step 2: Convert to fraction form
    10,388.82/14,337.10 = 5,913.21/x
  3. Step 3: Cross multiply
    10,388.82x = 14,337.10 × 5,913.21
  4. Step 4: Simplify right side
    10,388.82x = 84,778,283.09
  5. Step 5: Solve for x
    x = 84,778,283.09/10,388.82
  6. Step 6: Final answer
    x = 8,160.53

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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.