Home / 17,678.02-26,517.06-4,530.40

Finding the Fourth Proportional to 17,678.02, 26,517.06 and 4,530.40

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Solution

The fourth proportional to 17,678.02, 26,517.06 and 4,530.40 is: 6,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,678.02 : 26,517.06 = 4,530.40 : x
  2. Step 2: Convert to fraction form
    17,678.02/26,517.06 = 4,530.40/x
  3. Step 3: Cross multiply
    17,678.02x = 26,517.06 × 4,530.40
  4. Step 4: Simplify right side
    17,678.02x = 120,132,888.62
  5. Step 5: Solve for x
    x = 120,132,888.62/17,678.02
  6. Step 6: Final answer
    x = 6,795.61

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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.