Home / 12,525.19-17,284.79-6,782.70

Finding the Fourth Proportional to 12,525.19, 17,284.79 and 6,782.70

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Solution

The fourth proportional to 12,525.19, 17,284.79 and 6,782.70 is: 9,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.19 : 17,284.79 = 6,782.70 : x
  2. Step 2: Convert to fraction form
    12,525.19/17,284.79 = 6,782.70/x
  3. Step 3: Cross multiply
    12,525.19x = 17,284.79 × 6,782.70
  4. Step 4: Simplify right side
    12,525.19x = 117,237,545.13
  5. Step 5: Solve for x
    x = 117,237,545.13/12,525.19
  6. Step 6: Final answer
    x = 9,360.14

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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.