Home / 12,830.20-19,246.51-5,037.19

Finding the Fourth Proportional to 12,830.20, 19,246.51 and 5,037.19

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Solution

The fourth proportional to 12,830.20, 19,246.51 and 5,037.19 is: 7,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.20 : 19,246.51 = 5,037.19 : x
  2. Step 2: Convert to fraction form
    12,830.20/19,246.51 = 5,037.19/x
  3. Step 3: Cross multiply
    12,830.20x = 19,246.51 × 5,037.19
  4. Step 4: Simplify right side
    12,830.20x = 96,948,285.89
  5. Step 5: Solve for x
    x = 96,948,285.89/12,830.20
  6. Step 6: Final answer
    x = 7,556.26

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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.