Home / 22,599.61-31,192.09-13,653.56

Finding the Fourth Proportional to 22,599.61, 31,192.09 and 13,653.56

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Solution

The fourth proportional to 22,599.61, 31,192.09 and 13,653.56 is: 18,844.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.61 : 31,192.09 = 13,653.56 : x
  2. Step 2: Convert to fraction form
    22,599.61/31,192.09 = 13,653.56/x
  3. Step 3: Cross multiply
    22,599.61x = 31,192.09 × 13,653.56
  4. Step 4: Simplify right side
    22,599.61x = 425,883,116.19
  5. Step 5: Solve for x
    x = 425,883,116.19/22,599.61
  6. Step 6: Final answer
    x = 18,844.71

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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.