Home / 20,113.98-30,164.40-14,580.06

Finding the Fourth Proportional to 20,113.98, 30,164.40 and 14,580.06

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Solution

The fourth proportional to 20,113.98, 30,164.40 and 14,580.06 is: 21,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.98 : 30,164.40 = 14,580.06 : x
  2. Step 2: Convert to fraction form
    20,113.98/30,164.40 = 14,580.06/x
  3. Step 3: Cross multiply
    20,113.98x = 30,164.40 × 14,580.06
  4. Step 4: Simplify right side
    20,113.98x = 439,798,761.86
  5. Step 5: Solve for x
    x = 439,798,761.86/20,113.98
  6. Step 6: Final answer
    x = 21,865.33

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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.