Home / 11,646.28-17,390.24-10,988.52

Finding the Fourth Proportional to 11,646.28, 17,390.24 and 10,988.52

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Solution

The fourth proportional to 11,646.28, 17,390.24 and 10,988.52 is: 16,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,646.28 : 17,390.24 = 10,988.52 : x
  2. Step 2: Convert to fraction form
    11,646.28/17,390.24 = 10,988.52/x
  3. Step 3: Cross multiply
    11,646.28x = 17,390.24 × 10,988.52
  4. Step 4: Simplify right side
    11,646.28x = 191,093,000.04
  5. Step 5: Solve for x
    x = 191,093,000.04/11,646.28
  6. Step 6: Final answer
    x = 16,408.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.