Home / 20,656.82-30,897.74-14,008.34

Finding the Fourth Proportional to 20,656.82, 30,897.74 and 14,008.34

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Solution

The fourth proportional to 20,656.82, 30,897.74 and 14,008.34 is: 20,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656.82 : 30,897.74 = 14,008.34 : x
  2. Step 2: Convert to fraction form
    20,656.82/30,897.74 = 14,008.34/x
  3. Step 3: Cross multiply
    20,656.82x = 30,897.74 × 14,008.34
  4. Step 4: Simplify right side
    20,656.82x = 432,826,047.15
  5. Step 5: Solve for x
    x = 432,826,047.15/20,656.82
  6. Step 6: Final answer
    x = 20,953.18

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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.