Home / 21,594.15-29,799.23-13,210.65

Finding the Fourth Proportional to 21,594.15, 29,799.23 and 13,210.65

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Solution

The fourth proportional to 21,594.15, 29,799.23 and 13,210.65 is: 18,230.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.15 : 29,799.23 = 13,210.65 : x
  2. Step 2: Convert to fraction form
    21,594.15/29,799.23 = 13,210.65/x
  3. Step 3: Cross multiply
    21,594.15x = 29,799.23 × 13,210.65
  4. Step 4: Simplify right side
    21,594.15x = 393,667,131.75
  5. Step 5: Solve for x
    x = 393,667,131.75/21,594.15
  6. Step 6: Final answer
    x = 18,230.27

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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.