Home / 10,299.74-14,212.59-6,321.02

Finding the Fourth Proportional to 10,299.74, 14,212.59 and 6,321.02

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Solution

The fourth proportional to 10,299.74, 14,212.59 and 6,321.02 is: 8,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.74 : 14,212.59 = 6,321.02 : x
  2. Step 2: Convert to fraction form
    10,299.74/14,212.59 = 6,321.02/x
  3. Step 3: Cross multiply
    10,299.74x = 14,212.59 × 6,321.02
  4. Step 4: Simplify right side
    10,299.74x = 89,838,065.64
  5. Step 5: Solve for x
    x = 89,838,065.64/10,299.74
  6. Step 6: Final answer
    x = 8,722.36

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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.