Home / 12,908.18-19,362.68-4,588.07

Finding the Fourth Proportional to 12,908.18, 19,362.68 and 4,588.07

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Solution

The fourth proportional to 12,908.18, 19,362.68 and 4,588.07 is: 6,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.18 : 19,362.68 = 4,588.07 : x
  2. Step 2: Convert to fraction form
    12,908.18/19,362.68 = 4,588.07/x
  3. Step 3: Cross multiply
    12,908.18x = 19,362.68 × 4,588.07
  4. Step 4: Simplify right side
    12,908.18x = 88,837,211.47
  5. Step 5: Solve for x
    x = 88,837,211.47/12,908.18
  6. Step 6: Final answer
    x = 6,882.24

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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.