Home / 17,871.51-26,807.45-5,391.64

Finding the Fourth Proportional to 17,871.51, 26,807.45 and 5,391.64

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Solution

The fourth proportional to 17,871.51, 26,807.45 and 5,391.64 is: 8,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.51 : 26,807.45 = 5,391.64 : x
  2. Step 2: Convert to fraction form
    17,871.51/26,807.45 = 5,391.64/x
  3. Step 3: Cross multiply
    17,871.51x = 26,807.45 × 5,391.64
  4. Step 4: Simplify right side
    17,871.51x = 144,536,045.96
  5. Step 5: Solve for x
    x = 144,536,045.96/17,871.51
  6. Step 6: Final answer
    x = 8,087.51

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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.