Home / 20,395.74-30,564.04-14,484.20

Finding the Fourth Proportional to 20,395.74, 30,564.04 and 14,484.20

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Solution

The fourth proportional to 20,395.74, 30,564.04 and 14,484.20 is: 21,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.74 : 30,564.04 = 14,484.20 : x
  2. Step 2: Convert to fraction form
    20,395.74/30,564.04 = 14,484.20/x
  3. Step 3: Cross multiply
    20,395.74x = 30,564.04 × 14,484.20
  4. Step 4: Simplify right side
    20,395.74x = 442,695,771.52
  5. Step 5: Solve for x
    x = 442,695,771.52/20,395.74
  6. Step 6: Final answer
    x = 21,705.31

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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.