Home / 13,207.55-18,226.49-7,901.03

Finding the Fourth Proportional to 13,207.55, 18,226.49 and 7,901.03

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Solution

The fourth proportional to 13,207.55, 18,226.49 and 7,901.03 is: 10,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.55 : 18,226.49 = 7,901.03 : x
  2. Step 2: Convert to fraction form
    13,207.55/18,226.49 = 7,901.03/x
  3. Step 3: Cross multiply
    13,207.55x = 18,226.49 × 7,901.03
  4. Step 4: Simplify right side
    13,207.55x = 144,008,050.35
  5. Step 5: Solve for x
    x = 144,008,050.35/13,207.55
  6. Step 6: Final answer
    x = 10,903.47

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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.