Home / 20,462.84-28,238.44-11,510.35

Finding the Fourth Proportional to 20,462.84, 28,238.44 and 11,510.35

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Solution

The fourth proportional to 20,462.84, 28,238.44 and 11,510.35 is: 15,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,462.84 : 28,238.44 = 11,510.35 : x
  2. Step 2: Convert to fraction form
    20,462.84/28,238.44 = 11,510.35/x
  3. Step 3: Cross multiply
    20,462.84x = 28,238.44 × 11,510.35
  4. Step 4: Simplify right side
    20,462.84x = 325,034,250.06
  5. Step 5: Solve for x
    x = 325,034,250.06/20,462.84
  6. Step 6: Final answer
    x = 15,884.12

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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.