Home / 10,667.07-15,999.86-4,002.20

Finding the Fourth Proportional to 10,667.07, 15,999.86 and 4,002.20

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Solution

The fourth proportional to 10,667.07, 15,999.86 and 4,002.20 is: 6,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.07 : 15,999.86 = 4,002.20 : x
  2. Step 2: Convert to fraction form
    10,667.07/15,999.86 = 4,002.20/x
  3. Step 3: Cross multiply
    10,667.07x = 15,999.86 × 4,002.20
  4. Step 4: Simplify right side
    10,667.07x = 64,034,539.68
  5. Step 5: Solve for x
    x = 64,034,539.68/10,667.07
  6. Step 6: Final answer
    x = 6,003.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.