Home / 13,336.96-18,407.36-7,671.26

Finding the Fourth Proportional to 13,336.96, 18,407.36 and 7,671.26

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Solution

The fourth proportional to 13,336.96, 18,407.36 and 7,671.26 is: 10,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.96 : 18,407.36 = 7,671.26 : x
  2. Step 2: Convert to fraction form
    13,336.96/18,407.36 = 7,671.26/x
  3. Step 3: Cross multiply
    13,336.96x = 18,407.36 × 7,671.26
  4. Step 4: Simplify right side
    13,336.96x = 141,207,644.47
  5. Step 5: Solve for x
    x = 141,207,644.47/13,336.96
  6. Step 6: Final answer
    x = 10,587.69

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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.