Home / 17,750.64-26,639.72-6,667.40

Finding the Fourth Proportional to 17,750.64, 26,639.72 and 6,667.40

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Solution

The fourth proportional to 17,750.64, 26,639.72 and 6,667.40 is: 10,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,750.64 : 26,639.72 = 6,667.40 : x
  2. Step 2: Convert to fraction form
    17,750.64/26,639.72 = 6,667.40/x
  3. Step 3: Cross multiply
    17,750.64x = 26,639.72 × 6,667.40
  4. Step 4: Simplify right side
    17,750.64x = 177,617,669.13
  5. Step 5: Solve for x
    x = 177,617,669.13/17,750.64
  6. Step 6: Final answer
    x = 10,006.27

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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.