Home / 22,485.04-31,022.44-13,051.76

Finding the Fourth Proportional to 22,485.04, 31,022.44 and 13,051.76

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Solution

The fourth proportional to 22,485.04, 31,022.44 and 13,051.76 is: 18,007.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.04 : 31,022.44 = 13,051.76 : x
  2. Step 2: Convert to fraction form
    22,485.04/31,022.44 = 13,051.76/x
  3. Step 3: Cross multiply
    22,485.04x = 31,022.44 × 13,051.76
  4. Step 4: Simplify right side
    22,485.04x = 404,897,441.49
  5. Step 5: Solve for x
    x = 404,897,441.49/22,485.04
  6. Step 6: Final answer
    x = 18,007.41

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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.