Home / 19,518.98-29,259.02-11,188.94

Finding the Fourth Proportional to 19,518.98, 29,259.02 and 11,188.94

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Solution

The fourth proportional to 19,518.98, 29,259.02 and 11,188.94 is: 16,772.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.98 : 29,259.02 = 11,188.94 : x
  2. Step 2: Convert to fraction form
    19,518.98/29,259.02 = 11,188.94/x
  3. Step 3: Cross multiply
    19,518.98x = 29,259.02 × 11,188.94
  4. Step 4: Simplify right side
    19,518.98x = 327,377,300.92
  5. Step 5: Solve for x
    x = 327,377,300.92/19,518.98
  6. Step 6: Final answer
    x = 16,772.26

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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.