Home / 20,095.68-30,131.36-9,000.30

Finding the Fourth Proportional to 20,095.68, 30,131.36 and 9,000.30

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Solution

The fourth proportional to 20,095.68, 30,131.36 and 9,000.30 is: 13,495.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.68 : 30,131.36 = 9,000.30 : x
  2. Step 2: Convert to fraction form
    20,095.68/30,131.36 = 9,000.30/x
  3. Step 3: Cross multiply
    20,095.68x = 30,131.36 × 9,000.30
  4. Step 4: Simplify right side
    20,095.68x = 271,191,279.41
  5. Step 5: Solve for x
    x = 271,191,279.41/20,095.68
  6. Step 6: Final answer
    x = 13,495.00

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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.