Home / 22,610.04-31,202.12-12,538.60

Finding the Fourth Proportional to 22,610.04, 31,202.12 and 12,538.60

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Solution

The fourth proportional to 22,610.04, 31,202.12 and 12,538.60 is: 17,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.04 : 31,202.12 = 12,538.60 : x
  2. Step 2: Convert to fraction form
    22,610.04/31,202.12 = 12,538.60/x
  3. Step 3: Cross multiply
    22,610.04x = 31,202.12 × 12,538.60
  4. Step 4: Simplify right side
    22,610.04x = 391,230,839.14
  5. Step 5: Solve for x
    x = 391,230,839.14/22,610.04
  6. Step 6: Final answer
    x = 17,303.41

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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.