Home / 18,569.98-27,857.58-5,423.32

Finding the Fourth Proportional to 18,569.98, 27,857.58 and 5,423.32

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Solution

The fourth proportional to 18,569.98, 27,857.58 and 5,423.32 is: 8,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.98 : 27,857.58 = 5,423.32 : x
  2. Step 2: Convert to fraction form
    18,569.98/27,857.58 = 5,423.32/x
  3. Step 3: Cross multiply
    18,569.98x = 27,857.58 × 5,423.32
  4. Step 4: Simplify right side
    18,569.98x = 151,080,570.77
  5. Step 5: Solve for x
    x = 151,080,570.77/18,569.98
  6. Step 6: Final answer
    x = 8,135.74

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1.5x scale

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.