Home / 9,127.08-13,690.62-8,317.89

Finding the Fourth Proportional to 9,127.08, 13,690.62 and 8,317.89

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Solution

The fourth proportional to 9,127.08, 13,690.62 and 8,317.89 is: 12,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.08 : 13,690.62 = 8,317.89 : x
  2. Step 2: Convert to fraction form
    9,127.08/13,690.62 = 8,317.89/x
  3. Step 3: Cross multiply
    9,127.08x = 13,690.62 × 8,317.89
  4. Step 4: Simplify right side
    9,127.08x = 113,877,071.19
  5. Step 5: Solve for x
    x = 113,877,071.19/9,127.08
  6. Step 6: Final answer
    x = 12,476.84

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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.