Home / 9,239.40-13,873.14-8,068.68

Finding the Fourth Proportional to 9,239.40, 13,873.14 and 8,068.68

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Solution

The fourth proportional to 9,239.40, 13,873.14 and 8,068.68 is: 12,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.40 : 13,873.14 = 8,068.68 : x
  2. Step 2: Convert to fraction form
    9,239.40/13,873.14 = 8,068.68/x
  3. Step 3: Cross multiply
    9,239.40x = 13,873.14 × 8,068.68
  4. Step 4: Simplify right side
    9,239.40x = 111,937,927.26
  5. Step 5: Solve for x
    x = 111,937,927.26/9,239.40
  6. Step 6: Final answer
    x = 12,115.28

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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.