Home / 13,428.05-20,135.15-6,026.16

Finding the Fourth Proportional to 13,428.05, 20,135.15 and 6,026.16

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Solution

The fourth proportional to 13,428.05, 20,135.15 and 6,026.16 is: 9,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428.05 : 20,135.15 = 6,026.16 : x
  2. Step 2: Convert to fraction form
    13,428.05/20,135.15 = 6,026.16/x
  3. Step 3: Cross multiply
    13,428.05x = 20,135.15 × 6,026.16
  4. Step 4: Simplify right side
    13,428.05x = 121,337,650.59
  5. Step 5: Solve for x
    x = 121,337,650.59/13,428.05
  6. Step 6: Final answer
    x = 9,036.14

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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.