Home / 9,986.31-14,980.37-2,590.74

Finding the Fourth Proportional to 9,986.31, 14,980.37 and 2,590.74

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Solution

The fourth proportional to 9,986.31, 14,980.37 and 2,590.74 is: 3,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.31 : 14,980.37 = 2,590.74 : x
  2. Step 2: Convert to fraction form
    9,986.31/14,980.37 = 2,590.74/x
  3. Step 3: Cross multiply
    9,986.31x = 14,980.37 × 2,590.74
  4. Step 4: Simplify right side
    9,986.31x = 38,810,230.82
  5. Step 5: Solve for x
    x = 38,810,230.82/9,986.31
  6. Step 6: Final answer
    x = 3,886.34

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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.