Home / 15,205.51-20,998.04-14,377.18

Finding the Fourth Proportional to 15,205.51, 20,998.04 and 14,377.18

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Solution

The fourth proportional to 15,205.51, 20,998.04 and 14,377.18 is: 19,854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205.51 : 20,998.04 = 14,377.18 : x
  2. Step 2: Convert to fraction form
    15,205.51/20,998.04 = 14,377.18/x
  3. Step 3: Cross multiply
    15,205.51x = 20,998.04 × 14,377.18
  4. Step 4: Simplify right side
    15,205.51x = 301,892,515.72
  5. Step 5: Solve for x
    x = 301,892,515.72/15,205.51
  6. Step 6: Final answer
    x = 19,854.16

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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.