Home / 19,658.30-27,129.03-10,706.18

Finding the Fourth Proportional to 19,658.30, 27,129.03 and 10,706.18

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Solution

The fourth proportional to 19,658.30, 27,129.03 and 10,706.18 is: 14,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,658.30 : 27,129.03 = 10,706.18 : x
  2. Step 2: Convert to fraction form
    19,658.30/27,129.03 = 10,706.18/x
  3. Step 3: Cross multiply
    19,658.30x = 27,129.03 × 10,706.18
  4. Step 4: Simplify right side
    19,658.30x = 290,448,102.61
  5. Step 5: Solve for x
    x = 290,448,102.61/19,658.30
  6. Step 6: Final answer
    x = 14,774.84

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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.