Home / 12,590.63-17,374.01-7,285.79

Finding the Fourth Proportional to 12,590.63, 17,374.01 and 7,285.79

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Solution

The fourth proportional to 12,590.63, 17,374.01 and 7,285.79 is: 10,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.63 : 17,374.01 = 7,285.79 : x
  2. Step 2: Convert to fraction form
    12,590.63/17,374.01 = 7,285.79/x
  3. Step 3: Cross multiply
    12,590.63x = 17,374.01 × 7,285.79
  4. Step 4: Simplify right side
    12,590.63x = 126,583,388.32
  5. Step 5: Solve for x
    x = 126,583,388.32/12,590.63
  6. Step 6: Final answer
    x = 10,053.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.