Home / 17,390.54-26,085.84-4,242.88

Finding the Fourth Proportional to 17,390.54, 26,085.84 and 4,242.88

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Solution

The fourth proportional to 17,390.54, 26,085.84 and 4,242.88 is: 6,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.54 : 26,085.84 = 4,242.88 : x
  2. Step 2: Convert to fraction form
    17,390.54/26,085.84 = 4,242.88/x
  3. Step 3: Cross multiply
    17,390.54x = 26,085.84 × 4,242.88
  4. Step 4: Simplify right side
    17,390.54x = 110,679,088.82
  5. Step 5: Solve for x
    x = 110,679,088.82/17,390.54
  6. Step 6: Final answer
    x = 6,364.33

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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.