Home / 19,042.30-28,560.12-7,345.90

Finding the Fourth Proportional to 19,042.30, 28,560.12 and 7,345.90

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Solution

The fourth proportional to 19,042.30, 28,560.12 and 7,345.90 is: 11,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.30 : 28,560.12 = 7,345.90 : x
  2. Step 2: Convert to fraction form
    19,042.30/28,560.12 = 7,345.90/x
  3. Step 3: Cross multiply
    19,042.30x = 28,560.12 × 7,345.90
  4. Step 4: Simplify right side
    19,042.30x = 209,799,785.51
  5. Step 5: Solve for x
    x = 209,799,785.51/19,042.30
  6. Step 6: Final answer
    x = 11,017.57

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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.