Home / 19,160.30-28,727.99-9,159.63

Finding the Fourth Proportional to 19,160.30, 28,727.99 and 9,159.63

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Solution

The fourth proportional to 19,160.30, 28,727.99 and 9,159.63 is: 13,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.30 : 28,727.99 = 9,159.63 : x
  2. Step 2: Convert to fraction form
    19,160.30/28,727.99 = 9,159.63/x
  3. Step 3: Cross multiply
    19,160.30x = 28,727.99 × 9,159.63
  4. Step 4: Simplify right side
    19,160.30x = 263,137,827.22
  5. Step 5: Solve for x
    x = 263,137,827.22/19,160.30
  6. Step 6: Final answer
    x = 13,733.49

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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.