Home / 9,199.04-13,731.84-8,513.76

Finding the Fourth Proportional to 9,199.04, 13,731.84 and 8,513.76

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Solution

The fourth proportional to 9,199.04, 13,731.84 and 8,513.76 is: 12,708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,199.04 : 13,731.84 = 8,513.76 : x
  2. Step 2: Convert to fraction form
    9,199.04/13,731.84 = 8,513.76/x
  3. Step 3: Cross multiply
    9,199.04x = 13,731.84 × 8,513.76
  4. Step 4: Simplify right side
    9,199.04x = 116,909,590.12
  5. Step 5: Solve for x
    x = 116,909,590.12/9,199.04
  6. Step 6: Final answer
    x = 12,708.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.