Home / 20,149.02-30,223.60-7,001.51

Finding the Fourth Proportional to 20,149.02, 30,223.60 and 7,001.51

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Solution

The fourth proportional to 20,149.02, 30,223.60 and 7,001.51 is: 10,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149.02 : 30,223.60 = 7,001.51 : x
  2. Step 2: Convert to fraction form
    20,149.02/30,223.60 = 7,001.51/x
  3. Step 3: Cross multiply
    20,149.02x = 30,223.60 × 7,001.51
  4. Step 4: Simplify right side
    20,149.02x = 211,610,669.01
  5. Step 5: Solve for x
    x = 211,610,669.01/20,149.02
  6. Step 6: Final answer
    x = 10,502.28

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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.