Home / 9,296.90-12,829.65-5,105.14

Finding the Fourth Proportional to 9,296.90, 12,829.65 and 5,105.14

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Solution

The fourth proportional to 9,296.90, 12,829.65 and 5,105.14 is: 7,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296.90 : 12,829.65 = 5,105.14 : x
  2. Step 2: Convert to fraction form
    9,296.90/12,829.65 = 5,105.14/x
  3. Step 3: Cross multiply
    9,296.90x = 12,829.65 × 5,105.14
  4. Step 4: Simplify right side
    9,296.90x = 65,497,159.40
  5. Step 5: Solve for x
    x = 65,497,159.40/9,296.90
  6. Step 6: Final answer
    x = 7,045.05

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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.