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Finding the Fourth Proportional to 21,899.77, 32,860.06 and 11,364.19

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Solution

The fourth proportional to 21,899.77, 32,860.06 and 11,364.19 is: 17,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.77 : 32,860.06 = 11,364.19 : x
  2. Step 2: Convert to fraction form
    21,899.77/32,860.06 = 11,364.19/x
  3. Step 3: Cross multiply
    21,899.77x = 32,860.06 × 11,364.19
  4. Step 4: Simplify right side
    21,899.77x = 373,427,854.69
  5. Step 5: Solve for x
    x = 373,427,854.69/21,899.77
  6. Step 6: Final answer
    x = 17,051.68

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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.