Home / 22,187.40-30,623.76-14,635.08

Finding the Fourth Proportional to 22,187.40, 30,623.76 and 14,635.08

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Solution

The fourth proportional to 22,187.40, 30,623.76 and 14,635.08 is: 20,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187.40 : 30,623.76 = 14,635.08 : x
  2. Step 2: Convert to fraction form
    22,187.40/30,623.76 = 14,635.08/x
  3. Step 3: Cross multiply
    22,187.40x = 30,623.76 × 14,635.08
  4. Step 4: Simplify right side
    22,187.40x = 448,181,177.50
  5. Step 5: Solve for x
    x = 448,181,177.50/22,187.40
  6. Step 6: Final answer
    x = 20,199.81

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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.