Home / 20,008.36-30,012.54-6,157

Finding the Fourth Proportional to 20,008.36, 30,012.54 and 6,157

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Solution

The fourth proportional to 20,008.36, 30,012.54 and 6,157 is: 9,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.36 : 30,012.54 = 6,157 : x
  2. Step 2: Convert to fraction form
    20,008.36/30,012.54 = 6,157/x
  3. Step 3: Cross multiply
    20,008.36x = 30,012.54 × 6,157
  4. Step 4: Simplify right side
    20,008.36x = 184,787,208.78
  5. Step 5: Solve for x
    x = 184,787,208.78/20,008.36
  6. Step 6: Final answer
    x = 9,235.50

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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.