Home / 13,166.55-18,167.72-7,501.41

Finding the Fourth Proportional to 13,166.55, 18,167.72 and 7,501.41

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Solution

The fourth proportional to 13,166.55, 18,167.72 and 7,501.41 is: 10,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.55 : 18,167.72 = 7,501.41 : x
  2. Step 2: Convert to fraction form
    13,166.55/18,167.72 = 7,501.41/x
  3. Step 3: Cross multiply
    13,166.55x = 18,167.72 × 7,501.41
  4. Step 4: Simplify right side
    13,166.55x = 136,283,478.98
  5. Step 5: Solve for x
    x = 136,283,478.98/13,166.55
  6. Step 6: Final answer
    x = 10,350.74

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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.