Home / 15,814.11-21,841.86-10,499.70

Finding the Fourth Proportional to 15,814.11, 21,841.86 and 10,499.70

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Solution

The fourth proportional to 15,814.11, 21,841.86 and 10,499.70 is: 14,501.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.11 : 21,841.86 = 10,499.70 : x
  2. Step 2: Convert to fraction form
    15,814.11/21,841.86 = 10,499.70/x
  3. Step 3: Cross multiply
    15,814.11x = 21,841.86 × 10,499.70
  4. Step 4: Simplify right side
    15,814.11x = 229,332,977.44
  5. Step 5: Solve for x
    x = 229,332,977.44/15,814.11
  6. Step 6: Final answer
    x = 14,501.79

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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.