Home / 19,248.16-28,861.60-11,855.36

Finding the Fourth Proportional to 19,248.16, 28,861.60 and 11,855.36

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Solution

The fourth proportional to 19,248.16, 28,861.60 and 11,855.36 is: 17,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.16 : 28,861.60 = 11,855.36 : x
  2. Step 2: Convert to fraction form
    19,248.16/28,861.60 = 11,855.36/x
  3. Step 3: Cross multiply
    19,248.16x = 28,861.60 × 11,855.36
  4. Step 4: Simplify right side
    19,248.16x = 342,164,658.18
  5. Step 5: Solve for x
    x = 342,164,658.18/19,248.16
  6. Step 6: Final answer
    x = 17,776.49

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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.