Home / 19,658.87-27,129.08-10,706.36

Finding the Fourth Proportional to 19,658.87, 27,129.08 and 10,706.36

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Solution

The fourth proportional to 19,658.87, 27,129.08 and 10,706.36 is: 14,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.87 : 27,129.08 = 10,706.36 : x
  2. Step 2: Convert to fraction form
    19,658.87/27,129.08 = 10,706.36/x
  3. Step 3: Cross multiply
    19,658.87x = 27,129.08 × 10,706.36
  4. Step 4: Simplify right side
    19,658.87x = 290,453,696.95
  5. Step 5: Solve for x
    x = 290,453,696.95/19,658.87
  6. Step 6: Final answer
    x = 14,774.69

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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.