Home / 15,678.75-23,527.85-9,108.03

Finding the Fourth Proportional to 15,678.75, 23,527.85 and 9,108.03

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Solution

The fourth proportional to 15,678.75, 23,527.85 and 9,108.03 is: 13,667.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.75 : 23,527.85 = 9,108.03 : x
  2. Step 2: Convert to fraction form
    15,678.75/23,527.85 = 9,108.03/x
  3. Step 3: Cross multiply
    15,678.75x = 23,527.85 × 9,108.03
  4. Step 4: Simplify right side
    15,678.75x = 214,292,318.10
  5. Step 5: Solve for x
    x = 214,292,318.10/15,678.75
  6. Step 6: Final answer
    x = 13,667.69

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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.