Home / 20,259.96-30,389.05-14,345.24

Finding the Fourth Proportional to 20,259.96, 30,389.05 and 14,345.24

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Solution

The fourth proportional to 20,259.96, 30,389.05 and 14,345.24 is: 21,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.96 : 30,389.05 = 14,345.24 : x
  2. Step 2: Convert to fraction form
    20,259.96/30,389.05 = 14,345.24/x
  3. Step 3: Cross multiply
    20,259.96x = 30,389.05 × 14,345.24
  4. Step 4: Simplify right side
    20,259.96x = 435,938,215.62
  5. Step 5: Solve for x
    x = 435,938,215.62/20,259.96
  6. Step 6: Final answer
    x = 21,517.23

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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.