Home / 15,080.46-20,811.69-10,036.56

Finding the Fourth Proportional to 15,080.46, 20,811.69 and 10,036.56

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Solution

The fourth proportional to 15,080.46, 20,811.69 and 10,036.56 is: 13,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,080.46 : 20,811.69 = 10,036.56 : x
  2. Step 2: Convert to fraction form
    15,080.46/20,811.69 = 10,036.56/x
  3. Step 3: Cross multiply
    15,080.46x = 20,811.69 × 10,036.56
  4. Step 4: Simplify right side
    15,080.46x = 208,877,775.39
  5. Step 5: Solve for x
    x = 208,877,775.39/15,080.46
  6. Step 6: Final answer
    x = 13,850.89

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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.