Home / 20,624.04-30,912.12-9,507.36

Finding the Fourth Proportional to 20,624.04, 30,912.12 and 9,507.36

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Solution

The fourth proportional to 20,624.04, 30,912.12 and 9,507.36 is: 14,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,624.04 : 30,912.12 = 9,507.36 : x
  2. Step 2: Convert to fraction form
    20,624.04/30,912.12 = 9,507.36/x
  3. Step 3: Cross multiply
    20,624.04x = 30,912.12 × 9,507.36
  4. Step 4: Simplify right side
    20,624.04x = 293,892,653.20
  5. Step 5: Solve for x
    x = 293,892,653.20/20,624.04
  6. Step 6: Final answer
    x = 14,250.00

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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.