Home / 13,393.55-18,485.28-10,201.74

Finding the Fourth Proportional to 13,393.55, 18,485.28 and 10,201.74

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Solution

The fourth proportional to 13,393.55, 18,485.28 and 10,201.74 is: 14,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.55 : 18,485.28 = 10,201.74 : x
  2. Step 2: Convert to fraction form
    13,393.55/18,485.28 = 10,201.74/x
  3. Step 3: Cross multiply
    13,393.55x = 18,485.28 × 10,201.74
  4. Step 4: Simplify right side
    13,393.55x = 188,582,020.39
  5. Step 5: Solve for x
    x = 188,582,020.39/13,393.55
  6. Step 6: Final answer
    x = 14,080.07

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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.