Home / 11,531.39-15,913.39-6,495.68

Finding the Fourth Proportional to 11,531.39, 15,913.39 and 6,495.68

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Solution

The fourth proportional to 11,531.39, 15,913.39 and 6,495.68 is: 8,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.39 : 15,913.39 = 6,495.68 : x
  2. Step 2: Convert to fraction form
    11,531.39/15,913.39 = 6,495.68/x
  3. Step 3: Cross multiply
    11,531.39x = 15,913.39 × 6,495.68
  4. Step 4: Simplify right side
    11,531.39x = 103,368,312.70
  5. Step 5: Solve for x
    x = 103,368,312.70/11,531.39
  6. Step 6: Final answer
    x = 8,964.08

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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.