Home / 10,389.36-14,337.76-5,914.22

Finding the Fourth Proportional to 10,389.36, 14,337.76 and 5,914.22

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Solution

The fourth proportional to 10,389.36, 14,337.76 and 5,914.22 is: 8,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.36 : 14,337.76 = 5,914.22 : x
  2. Step 2: Convert to fraction form
    10,389.36/14,337.76 = 5,914.22/x
  3. Step 3: Cross multiply
    10,389.36x = 14,337.76 × 5,914.22
  4. Step 4: Simplify right side
    10,389.36x = 84,796,591.56
  5. Step 5: Solve for x
    x = 84,796,591.56/10,389.36
  6. Step 6: Final answer
    x = 8,161.87

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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.