Home / 17,783.24-26,679.18-5,302.76

Finding the Fourth Proportional to 17,783.24, 26,679.18 and 5,302.76

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Solution

The fourth proportional to 17,783.24, 26,679.18 and 5,302.76 is: 7,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.24 : 26,679.18 = 5,302.76 : x
  2. Step 2: Convert to fraction form
    17,783.24/26,679.18 = 5,302.76/x
  3. Step 3: Cross multiply
    17,783.24x = 26,679.18 × 5,302.76
  4. Step 4: Simplify right side
    17,783.24x = 141,473,288.54
  5. Step 5: Solve for x
    x = 141,473,288.54/17,783.24
  6. Step 6: Final answer
    x = 7,955.43

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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.