Home / 21,681.19-32,498.03-11,151.76

Finding the Fourth Proportional to 21,681.19, 32,498.03 and 11,151.76

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Solution

The fourth proportional to 21,681.19, 32,498.03 and 11,151.76 is: 16,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.19 : 32,498.03 = 11,151.76 : x
  2. Step 2: Convert to fraction form
    21,681.19/32,498.03 = 11,151.76/x
  3. Step 3: Cross multiply
    21,681.19x = 32,498.03 × 11,151.76
  4. Step 4: Simplify right side
    21,681.19x = 362,410,175.27
  5. Step 5: Solve for x
    x = 362,410,175.27/21,681.19
  6. Step 6: Final answer
    x = 16,715.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.