Home / 22,010.40-33,030-12,156.48

Finding the Fourth Proportional to 22,010.40, 33,030 and 12,156.48

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Solution

The fourth proportional to 22,010.40, 33,030 and 12,156.48 is: 18,242.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,010.40 : 33,030 = 12,156.48 : x
  2. Step 2: Convert to fraction form
    22,010.40/33,030 = 12,156.48/x
  3. Step 3: Cross multiply
    22,010.40x = 33,030 × 12,156.48
  4. Step 4: Simplify right side
    22,010.40x = 401,528,534.40
  5. Step 5: Solve for x
    x = 401,528,534.40/22,010.40
  6. Step 6: Final answer
    x = 18,242.67

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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.