Home / 9,829.20-14,703.30-8,964.12

Finding the Fourth Proportional to 9,829.20, 14,703.30 and 8,964.12

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Solution

The fourth proportional to 9,829.20, 14,703.30 and 8,964.12 is: 13,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829.20 : 14,703.30 = 8,964.12 : x
  2. Step 2: Convert to fraction form
    9,829.20/14,703.30 = 8,964.12/x
  3. Step 3: Cross multiply
    9,829.20x = 14,703.30 × 8,964.12
  4. Step 4: Simplify right side
    9,829.20x = 131,802,145.60
  5. Step 5: Solve for x
    x = 131,802,145.60/9,829.20
  6. Step 6: Final answer
    x = 13,409.24

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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.