Home / 20,026.06-30,019.47-11,145.63

Finding the Fourth Proportional to 20,026.06, 30,019.47 and 11,145.63

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Solution

The fourth proportional to 20,026.06, 30,019.47 and 11,145.63 is: 16,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.06 : 30,019.47 = 11,145.63 : x
  2. Step 2: Convert to fraction form
    20,026.06/30,019.47 = 11,145.63/x
  3. Step 3: Cross multiply
    20,026.06x = 30,019.47 × 11,145.63
  4. Step 4: Simplify right side
    20,026.06x = 334,585,905.42
  5. Step 5: Solve for x
    x = 334,585,905.42/20,026.06
  6. Step 6: Final answer
    x = 16,707.53

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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.