Home / 9,209.70-12,709.31-5,017.95

Finding the Fourth Proportional to 9,209.70, 12,709.31 and 5,017.95

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Solution

The fourth proportional to 9,209.70, 12,709.31 and 5,017.95 is: 6,924.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.70 : 12,709.31 = 5,017.95 : x
  2. Step 2: Convert to fraction form
    9,209.70/12,709.31 = 5,017.95/x
  3. Step 3: Cross multiply
    9,209.70x = 12,709.31 × 5,017.95
  4. Step 4: Simplify right side
    9,209.70x = 63,774,657.02
  5. Step 5: Solve for x
    x = 63,774,657.02/9,209.70
  6. Step 6: Final answer
    x = 6,924.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.