Home / 14,690.13-20,272.59-7,975.77

Finding the Fourth Proportional to 14,690.13, 20,272.59 and 7,975.77

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Solution

The fourth proportional to 14,690.13, 20,272.59 and 7,975.77 is: 11,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.13 : 20,272.59 = 7,975.77 : x
  2. Step 2: Convert to fraction form
    14,690.13/20,272.59 = 7,975.77/x
  3. Step 3: Cross multiply
    14,690.13x = 20,272.59 × 7,975.77
  4. Step 4: Simplify right side
    14,690.13x = 161,689,515.14
  5. Step 5: Solve for x
    x = 161,689,515.14/14,690.13
  6. Step 6: Final answer
    x = 11,006.68

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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.