Home / 11,667.32-17,426.62-10,555.04

Finding the Fourth Proportional to 11,667.32, 17,426.62 and 10,555.04

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Solution

The fourth proportional to 11,667.32, 17,426.62 and 10,555.04 is: 15,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,667.32 : 17,426.62 = 10,555.04 : x
  2. Step 2: Convert to fraction form
    11,667.32/17,426.62 = 10,555.04/x
  3. Step 3: Cross multiply
    11,667.32x = 17,426.62 × 10,555.04
  4. Step 4: Simplify right side
    11,667.32x = 183,938,671.16
  5. Step 5: Solve for x
    x = 183,938,671.16/11,667.32
  6. Step 6: Final answer
    x = 15,765.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.