Home / 18,326.07-27,488.90-4,475.07

Finding the Fourth Proportional to 18,326.07, 27,488.90 and 4,475.07

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Solution

The fourth proportional to 18,326.07, 27,488.90 and 4,475.07 is: 6,712.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.07 : 27,488.90 = 4,475.07 : x
  2. Step 2: Convert to fraction form
    18,326.07/27,488.90 = 4,475.07/x
  3. Step 3: Cross multiply
    18,326.07x = 27,488.90 × 4,475.07
  4. Step 4: Simplify right side
    18,326.07x = 123,014,762.91
  5. Step 5: Solve for x
    x = 123,014,762.91/18,326.07
  6. Step 6: Final answer
    x = 6,712.56

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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.