Home / 17,667.14-26,509.79-9,768.20

Finding the Fourth Proportional to 17,667.14, 26,509.79 and 9,768.20

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Solution

The fourth proportional to 17,667.14, 26,509.79 and 9,768.20 is: 14,657.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,667.14 : 26,509.79 = 9,768.20 : x
  2. Step 2: Convert to fraction form
    17,667.14/26,509.79 = 9,768.20/x
  3. Step 3: Cross multiply
    17,667.14x = 26,509.79 × 9,768.20
  4. Step 4: Simplify right side
    17,667.14x = 258,952,822.55
  5. Step 5: Solve for x
    x = 258,952,822.55/17,667.14
  6. Step 6: Final answer
    x = 14,657.32

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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.