Home / 20,598.67-30,903.81-5,807.72

Finding the Fourth Proportional to 20,598.67, 30,903.81 and 5,807.72

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Solution

The fourth proportional to 20,598.67, 30,903.81 and 5,807.72 is: 8,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598.67 : 30,903.81 = 5,807.72 : x
  2. Step 2: Convert to fraction form
    20,598.67/30,903.81 = 5,807.72/x
  3. Step 3: Cross multiply
    20,598.67x = 30,903.81 × 5,807.72
  4. Step 4: Simplify right side
    20,598.67x = 179,480,675.41
  5. Step 5: Solve for x
    x = 179,480,675.41/20,598.67
  6. Step 6: Final answer
    x = 8,713.22

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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.