Home / 20,225.34-30,332.22-6,898.08

Finding the Fourth Proportional to 20,225.34, 30,332.22 and 6,898.08

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Solution

The fourth proportional to 20,225.34, 30,332.22 and 6,898.08 is: 10,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.34 : 30,332.22 = 6,898.08 : x
  2. Step 2: Convert to fraction form
    20,225.34/30,332.22 = 6,898.08/x
  3. Step 3: Cross multiply
    20,225.34x = 30,332.22 × 6,898.08
  4. Step 4: Simplify right side
    20,225.34x = 209,234,080.14
  5. Step 5: Solve for x
    x = 209,234,080.14/20,225.34
  6. Step 6: Final answer
    x = 10,345.15

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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.