Home / 17,658.79-26,485.26-5,812.72

Finding the Fourth Proportional to 17,658.79, 26,485.26 and 5,812.72

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Solution

The fourth proportional to 17,658.79, 26,485.26 and 5,812.72 is: 8,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.79 : 26,485.26 = 5,812.72 : x
  2. Step 2: Convert to fraction form
    17,658.79/26,485.26 = 5,812.72/x
  3. Step 3: Cross multiply
    17,658.79x = 26,485.26 × 5,812.72
  4. Step 4: Simplify right side
    17,658.79x = 153,951,400.51
  5. Step 5: Solve for x
    x = 153,951,400.51/17,658.79
  6. Step 6: Final answer
    x = 8,718.12

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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.