Home / 9,986.34-14,979.63-2,590.35

Finding the Fourth Proportional to 9,986.34, 14,979.63 and 2,590.35

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Solution

The fourth proportional to 9,986.34, 14,979.63 and 2,590.35 is: 3,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.34 : 14,979.63 = 2,590.35 : x
  2. Step 2: Convert to fraction form
    9,986.34/14,979.63 = 2,590.35/x
  3. Step 3: Cross multiply
    9,986.34x = 14,979.63 × 2,590.35
  4. Step 4: Simplify right side
    9,986.34x = 38,802,507.80
  5. Step 5: Solve for x
    x = 38,802,507.80/9,986.34
  6. Step 6: Final answer
    x = 3,885.56

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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.