Home / 9,296.18-12,829.61-5,316.51

Finding the Fourth Proportional to 9,296.18, 12,829.61 and 5,316.51

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Solution

The fourth proportional to 9,296.18, 12,829.61 and 5,316.51 is: 7,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296.18 : 12,829.61 = 5,316.51 : x
  2. Step 2: Convert to fraction form
    9,296.18/12,829.61 = 5,316.51/x
  3. Step 3: Cross multiply
    9,296.18x = 12,829.61 × 5,316.51
  4. Step 4: Simplify right side
    9,296.18x = 68,208,763.15
  5. Step 5: Solve for x
    x = 68,208,763.15/9,296.18
  6. Step 6: Final answer
    x = 7,337.29

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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.