Home / 13,706.55-18,903.40-10,518.82

Finding the Fourth Proportional to 13,706.55, 18,903.40 and 10,518.82

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Solution

The fourth proportional to 13,706.55, 18,903.40 and 10,518.82 is: 14,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.55 : 18,903.40 = 10,518.82 : x
  2. Step 2: Convert to fraction form
    13,706.55/18,903.40 = 10,518.82/x
  3. Step 3: Cross multiply
    13,706.55x = 18,903.40 × 10,518.82
  4. Step 4: Simplify right side
    13,706.55x = 198,841,388.43
  5. Step 5: Solve for x
    x = 198,841,388.43/13,706.55
  6. Step 6: Final answer
    x = 14,507.03

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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.