Home / 14,799.11-20,421.70-8,083.31

Finding the Fourth Proportional to 14,799.11, 20,421.70 and 8,083.31

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Solution

The fourth proportional to 14,799.11, 20,421.70 and 8,083.31 is: 11,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.11 : 20,421.70 = 8,083.31 : x
  2. Step 2: Convert to fraction form
    14,799.11/20,421.70 = 8,083.31/x
  3. Step 3: Cross multiply
    14,799.11x = 20,421.70 × 8,083.31
  4. Step 4: Simplify right side
    14,799.11x = 165,074,809.51
  5. Step 5: Solve for x
    x = 165,074,809.51/14,799.11
  6. Step 6: Final answer
    x = 11,154.38

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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.