Home / 20,325.24-30,488.88-6,475.32

Finding the Fourth Proportional to 20,325.24, 30,488.88 and 6,475.32

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Solution

The fourth proportional to 20,325.24, 30,488.88 and 6,475.32 is: 9,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.24 : 30,488.88 = 6,475.32 : x
  2. Step 2: Convert to fraction form
    20,325.24/30,488.88 = 6,475.32/x
  3. Step 3: Cross multiply
    20,325.24x = 30,488.88 × 6,475.32
  4. Step 4: Simplify right side
    20,325.24x = 197,425,254.44
  5. Step 5: Solve for x
    x = 197,425,254.44/20,325.24
  6. Step 6: Final answer
    x = 9,713.30

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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.