Home / 19,580.54-29,364.59-6,429.85

Finding the Fourth Proportional to 19,580.54, 29,364.59 and 6,429.85

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Solution

The fourth proportional to 19,580.54, 29,364.59 and 6,429.85 is: 9,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.54 : 29,364.59 = 6,429.85 : x
  2. Step 2: Convert to fraction form
    19,580.54/29,364.59 = 6,429.85/x
  3. Step 3: Cross multiply
    19,580.54x = 29,364.59 × 6,429.85
  4. Step 4: Simplify right side
    19,580.54x = 188,809,851.67
  5. Step 5: Solve for x
    x = 188,809,851.67/19,580.54
  6. Step 6: Final answer
    x = 9,642.73

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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.