Home / 20,710.79-31,019.44-9,594.12

Finding the Fourth Proportional to 20,710.79, 31,019.44 and 9,594.12

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Solution

The fourth proportional to 20,710.79, 31,019.44 and 9,594.12 is: 14,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.79 : 31,019.44 = 9,594.12 : x
  2. Step 2: Convert to fraction form
    20,710.79/31,019.44 = 9,594.12/x
  3. Step 3: Cross multiply
    20,710.79x = 31,019.44 × 9,594.12
  4. Step 4: Simplify right side
    20,710.79x = 297,604,229.69
  5. Step 5: Solve for x
    x = 297,604,229.69/20,710.79
  6. Step 6: Final answer
    x = 14,369.53

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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.