Home / 13,867.85-20,798.73-4,006.91

Finding the Fourth Proportional to 13,867.85, 20,798.73 and 4,006.91

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Solution

The fourth proportional to 13,867.85, 20,798.73 and 4,006.91 is: 6,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.85 : 20,798.73 = 4,006.91 : x
  2. Step 2: Convert to fraction form
    13,867.85/20,798.73 = 4,006.91/x
  3. Step 3: Cross multiply
    13,867.85x = 20,798.73 × 4,006.91
  4. Step 4: Simplify right side
    13,867.85x = 83,338,535.23
  5. Step 5: Solve for x
    x = 83,338,535.23/13,867.85
  6. Step 6: Final answer
    x = 6,009.48

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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.