Home / 14,721.07-20,314.69-8,006.55

Finding the Fourth Proportional to 14,721.07, 20,314.69 and 8,006.55

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Solution

The fourth proportional to 14,721.07, 20,314.69 and 8,006.55 is: 11,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.07 : 20,314.69 = 8,006.55 : x
  2. Step 2: Convert to fraction form
    14,721.07/20,314.69 = 8,006.55/x
  3. Step 3: Cross multiply
    14,721.07x = 20,314.69 × 8,006.55
  4. Step 4: Simplify right side
    14,721.07x = 162,650,581.22
  5. Step 5: Solve for x
    x = 162,650,581.22/14,721.07
  6. Step 6: Final answer
    x = 11,048.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.