Home / 10,390.23-14,334.44-6,612.39

Finding the Fourth Proportional to 10,390.23, 14,334.44 and 6,612.39

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Solution

The fourth proportional to 10,390.23, 14,334.44 and 6,612.39 is: 9,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.23 : 14,334.44 = 6,612.39 : x
  2. Step 2: Convert to fraction form
    10,390.23/14,334.44 = 6,612.39/x
  3. Step 3: Cross multiply
    10,390.23x = 14,334.44 × 6,612.39
  4. Step 4: Simplify right side
    10,390.23x = 94,784,874.65
  5. Step 5: Solve for x
    x = 94,784,874.65/10,390.23
  6. Step 6: Final answer
    x = 9,122.50

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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.