Home / 13,310.63-18,369.90-7,646.16

Finding the Fourth Proportional to 13,310.63, 18,369.90 and 7,646.16

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Solution

The fourth proportional to 13,310.63, 18,369.90 and 7,646.16 is: 10,552.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.63 : 18,369.90 = 7,646.16 : x
  2. Step 2: Convert to fraction form
    13,310.63/18,369.90 = 7,646.16/x
  3. Step 3: Cross multiply
    13,310.63x = 18,369.90 × 7,646.16
  4. Step 4: Simplify right side
    13,310.63x = 140,459,194.58
  5. Step 5: Solve for x
    x = 140,459,194.58/13,310.63
  6. Step 6: Final answer
    x = 10,552.41

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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.