Home / 10,071.80-13,899.22-5,595.84

Finding the Fourth Proportional to 10,071.80, 13,899.22 and 5,595.84

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Solution

The fourth proportional to 10,071.80, 13,899.22 and 5,595.84 is: 7,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.80 : 13,899.22 = 5,595.84 : x
  2. Step 2: Convert to fraction form
    10,071.80/13,899.22 = 5,595.84/x
  3. Step 3: Cross multiply
    10,071.80x = 13,899.22 × 5,595.84
  4. Step 4: Simplify right side
    10,071.80x = 77,777,811.24
  5. Step 5: Solve for x
    x = 77,777,811.24/10,071.80
  6. Step 6: Final answer
    x = 7,722.33

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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.