Home / 21,807.09-32,660.82-13,023.99

Finding the Fourth Proportional to 21,807.09, 32,660.82 and 13,023.99

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Solution

The fourth proportional to 21,807.09, 32,660.82 and 13,023.99 is: 19,506.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807.09 : 32,660.82 = 13,023.99 : x
  2. Step 2: Convert to fraction form
    21,807.09/32,660.82 = 13,023.99/x
  3. Step 3: Cross multiply
    21,807.09x = 32,660.82 × 13,023.99
  4. Step 4: Simplify right side
    21,807.09x = 425,374,193.07
  5. Step 5: Solve for x
    x = 425,374,193.07/21,807.09
  6. Step 6: Final answer
    x = 19,506.23

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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.