Home / 19,309.50-28,899.96-14,603.58

Finding the Fourth Proportional to 19,309.50, 28,899.96 and 14,603.58

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Solution

The fourth proportional to 19,309.50, 28,899.96 and 14,603.58 is: 21,856.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.50 : 28,899.96 = 14,603.58 : x
  2. Step 2: Convert to fraction form
    19,309.50/28,899.96 = 14,603.58/x
  3. Step 3: Cross multiply
    19,309.50x = 28,899.96 × 14,603.58
  4. Step 4: Simplify right side
    19,309.50x = 422,042,877.86
  5. Step 5: Solve for x
    x = 422,042,877.86/19,309.50
  6. Step 6: Final answer
    x = 21,856.75

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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.