Home / 12,346.34-17,003.75-10,667.21

Finding the Fourth Proportional to 12,346.34, 17,003.75 and 10,667.21

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Solution

The fourth proportional to 12,346.34, 17,003.75 and 10,667.21 is: 14,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346.34 : 17,003.75 = 10,667.21 : x
  2. Step 2: Convert to fraction form
    12,346.34/17,003.75 = 10,667.21/x
  3. Step 3: Cross multiply
    12,346.34x = 17,003.75 × 10,667.21
  4. Step 4: Simplify right side
    12,346.34x = 181,382,518.70
  5. Step 5: Solve for x
    x = 181,382,518.70/12,346.34
  6. Step 6: Final answer
    x = 14,691.20

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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.