Home / 19,611.61-29,416.06-11,285.48

Finding the Fourth Proportional to 19,611.61, 29,416.06 and 11,285.48

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Solution

The fourth proportional to 19,611.61, 29,416.06 and 11,285.48 is: 16,927.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.61 : 29,416.06 = 11,285.48 : x
  2. Step 2: Convert to fraction form
    19,611.61/29,416.06 = 11,285.48/x
  3. Step 3: Cross multiply
    19,611.61x = 29,416.06 × 11,285.48
  4. Step 4: Simplify right side
    19,611.61x = 331,974,356.81
  5. Step 5: Solve for x
    x = 331,974,356.81/19,611.61
  6. Step 6: Final answer
    x = 16,927.44

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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.