Home / 17,818.46-26,720.16-5,340.26

Finding the Fourth Proportional to 17,818.46, 26,720.16 and 5,340.26

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Solution

The fourth proportional to 17,818.46, 26,720.16 and 5,340.26 is: 8,008.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.46 : 26,720.16 = 5,340.26 : x
  2. Step 2: Convert to fraction form
    17,818.46/26,720.16 = 5,340.26/x
  3. Step 3: Cross multiply
    17,818.46x = 26,720.16 × 5,340.26
  4. Step 4: Simplify right side
    17,818.46x = 142,692,601.64
  5. Step 5: Solve for x
    x = 142,692,601.64/17,818.46
  6. Step 6: Final answer
    x = 8,008.13

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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.