Home / 20,341.16-30,523.28-10,981.07

Finding the Fourth Proportional to 20,341.16, 30,523.28 and 10,981.07

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Solution

The fourth proportional to 20,341.16, 30,523.28 and 10,981.07 is: 16,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341.16 : 30,523.28 = 10,981.07 : x
  2. Step 2: Convert to fraction form
    20,341.16/30,523.28 = 10,981.07/x
  3. Step 3: Cross multiply
    20,341.16x = 30,523.28 × 10,981.07
  4. Step 4: Simplify right side
    20,341.16x = 335,178,066.79
  5. Step 5: Solve for x
    x = 335,178,066.79/20,341.16
  6. Step 6: Final answer
    x = 16,477.83

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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.