Home / 22,559.02-31,134.63-13,130.62

Finding the Fourth Proportional to 22,559.02, 31,134.63 and 13,130.62

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Solution

The fourth proportional to 22,559.02, 31,134.63 and 13,130.62 is: 18,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,559.02 : 31,134.63 = 13,130.62 : x
  2. Step 2: Convert to fraction form
    22,559.02/31,134.63 = 13,130.62/x
  3. Step 3: Cross multiply
    22,559.02x = 31,134.63 × 13,130.62
  4. Step 4: Simplify right side
    22,559.02x = 408,816,995.37
  5. Step 5: Solve for x
    x = 408,816,995.37/22,559.02
  6. Step 6: Final answer
    x = 18,122.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.