Home / 12,730.96-19,051.29-9,391.31

Finding the Fourth Proportional to 12,730.96, 19,051.29 and 9,391.31

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Solution

The fourth proportional to 12,730.96, 19,051.29 and 9,391.31 is: 14,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,730.96 : 19,051.29 = 9,391.31 : x
  2. Step 2: Convert to fraction form
    12,730.96/19,051.29 = 9,391.31/x
  3. Step 3: Cross multiply
    12,730.96x = 19,051.29 × 9,391.31
  4. Step 4: Simplify right side
    12,730.96x = 178,916,475.03
  5. Step 5: Solve for x
    x = 178,916,475.03/12,730.96
  6. Step 6: Final answer
    x = 14,053.65

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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.