Home / 20,807.21-31,212.33-6,016.20

Finding the Fourth Proportional to 20,807.21, 31,212.33 and 6,016.20

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Solution

The fourth proportional to 20,807.21, 31,212.33 and 6,016.20 is: 9,024.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,807.21 : 31,212.33 = 6,016.20 : x
  2. Step 2: Convert to fraction form
    20,807.21/31,212.33 = 6,016.20/x
  3. Step 3: Cross multiply
    20,807.21x = 31,212.33 × 6,016.20
  4. Step 4: Simplify right side
    20,807.21x = 187,779,597.19
  5. Step 5: Solve for x
    x = 187,779,597.19/20,807.21
  6. Step 6: Final answer
    x = 9,024.74

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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.