Home / 9,645.99-13,308.50-6,287.58

Finding the Fourth Proportional to 9,645.99, 13,308.50 and 6,287.58

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Solution

The fourth proportional to 9,645.99, 13,308.50 and 6,287.58 is: 8,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,645.99 : 13,308.50 = 6,287.58 : x
  2. Step 2: Convert to fraction form
    9,645.99/13,308.50 = 6,287.58/x
  3. Step 3: Cross multiply
    9,645.99x = 13,308.50 × 6,287.58
  4. Step 4: Simplify right side
    9,645.99x = 83,678,226.99
  5. Step 5: Solve for x
    x = 83,678,226.99/9,645.99
  6. Step 6: Final answer
    x = 8,674.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.