Home / 20,207.07-30,290.76-9,674.10

Finding the Fourth Proportional to 20,207.07, 30,290.76 and 9,674.10

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Solution

The fourth proportional to 20,207.07, 30,290.76 and 9,674.10 is: 14,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.07 : 30,290.76 = 9,674.10 : x
  2. Step 2: Convert to fraction form
    20,207.07/30,290.76 = 9,674.10/x
  3. Step 3: Cross multiply
    20,207.07x = 30,290.76 × 9,674.10
  4. Step 4: Simplify right side
    20,207.07x = 293,035,841.32
  5. Step 5: Solve for x
    x = 293,035,841.32/20,207.07
  6. Step 6: Final answer
    x = 14,501.65

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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.