Home / 14,623.47-20,180.32-7,909.09

Finding the Fourth Proportional to 14,623.47, 20,180.32 and 7,909.09

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Solution

The fourth proportional to 14,623.47, 20,180.32 and 7,909.09 is: 10,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.47 : 20,180.32 = 7,909.09 : x
  2. Step 2: Convert to fraction form
    14,623.47/20,180.32 = 7,909.09/x
  3. Step 3: Cross multiply
    14,623.47x = 20,180.32 × 7,909.09
  4. Step 4: Simplify right side
    14,623.47x = 159,607,896.89
  5. Step 5: Solve for x
    x = 159,607,896.89/14,623.47
  6. Step 6: Final answer
    x = 10,914.50

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Half scale
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Double scale
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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.