Home / 20,256.02-30,397.63-7,108.43

Finding the Fourth Proportional to 20,256.02, 30,397.63 and 7,108.43

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Solution

The fourth proportional to 20,256.02, 30,397.63 and 7,108.43 is: 10,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,256.02 : 30,397.63 = 7,108.43 : x
  2. Step 2: Convert to fraction form
    20,256.02/30,397.63 = 7,108.43/x
  3. Step 3: Cross multiply
    20,256.02x = 30,397.63 × 7,108.43
  4. Step 4: Simplify right side
    20,256.02x = 216,079,525.07
  5. Step 5: Solve for x
    x = 216,079,525.07/20,256.02
  6. Step 6: Final answer
    x = 10,667.42

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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.