Home / 10,363.78-14,306.79-6,113.40

Finding the Fourth Proportional to 10,363.78, 14,306.79 and 6,113.40

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Solution

The fourth proportional to 10,363.78, 14,306.79 and 6,113.40 is: 8,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.78 : 14,306.79 = 6,113.40 : x
  2. Step 2: Convert to fraction form
    10,363.78/14,306.79 = 6,113.40/x
  3. Step 3: Cross multiply
    10,363.78x = 14,306.79 × 6,113.40
  4. Step 4: Simplify right side
    10,363.78x = 87,463,129.99
  5. Step 5: Solve for x
    x = 87,463,129.99/10,363.78
  6. Step 6: Final answer
    x = 8,439.31

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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.