Home / 11,316.60-16,948.71-5,684.40

Finding the Fourth Proportional to 11,316.60, 16,948.71 and 5,684.40

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Solution

The fourth proportional to 11,316.60, 16,948.71 and 5,684.40 is: 8,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.60 : 16,948.71 = 5,684.40 : x
  2. Step 2: Convert to fraction form
    11,316.60/16,948.71 = 5,684.40/x
  3. Step 3: Cross multiply
    11,316.60x = 16,948.71 × 5,684.40
  4. Step 4: Simplify right side
    11,316.60x = 96,343,247.12
  5. Step 5: Solve for x
    x = 96,343,247.12/11,316.60
  6. Step 6: Final answer
    x = 8,513.44

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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.