Home / 18,844.77-28,271.76-13,308.93

Finding the Fourth Proportional to 18,844.77, 28,271.76 and 13,308.93

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Solution

The fourth proportional to 18,844.77, 28,271.76 and 13,308.93 is: 19,966.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844.77 : 28,271.76 = 13,308.93 : x
  2. Step 2: Convert to fraction form
    18,844.77/28,271.76 = 13,308.93/x
  3. Step 3: Cross multiply
    18,844.77x = 28,271.76 × 13,308.93
  4. Step 4: Simplify right side
    18,844.77x = 376,266,874.82
  5. Step 5: Solve for x
    x = 376,266,874.82/18,844.77
  6. Step 6: Final answer
    x = 19,966.65

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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.