Home / 22,430.48-33,602.60-12,539.76

Finding the Fourth Proportional to 22,430.48, 33,602.60 and 12,539.76

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Solution

The fourth proportional to 22,430.48, 33,602.60 and 12,539.76 is: 18,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.48 : 33,602.60 = 12,539.76 : x
  2. Step 2: Convert to fraction form
    22,430.48/33,602.60 = 12,539.76/x
  3. Step 3: Cross multiply
    22,430.48x = 33,602.60 × 12,539.76
  4. Step 4: Simplify right side
    22,430.48x = 421,368,476.68
  5. Step 5: Solve for x
    x = 421,368,476.68/22,430.48
  6. Step 6: Final answer
    x = 18,785.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.