Home / 9,991.89-14,987.73-2,596.35

Finding the Fourth Proportional to 9,991.89, 14,987.73 and 2,596.35

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Solution

The fourth proportional to 9,991.89, 14,987.73 and 2,596.35 is: 3,894.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.89 : 14,987.73 = 2,596.35 : x
  2. Step 2: Convert to fraction form
    9,991.89/14,987.73 = 2,596.35/x
  3. Step 3: Cross multiply
    9,991.89x = 14,987.73 × 2,596.35
  4. Step 4: Simplify right side
    9,991.89x = 38,913,392.79
  5. Step 5: Solve for x
    x = 38,913,392.79/9,991.89
  6. Step 6: Final answer
    x = 3,894.50

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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.