Home / 9,985.39-14,976.80-2,590.36

Finding the Fourth Proportional to 9,985.39, 14,976.80 and 2,590.36

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Solution

The fourth proportional to 9,985.39, 14,976.80 and 2,590.36 is: 3,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.39 : 14,976.80 = 2,590.36 : x
  2. Step 2: Convert to fraction form
    9,985.39/14,976.80 = 2,590.36/x
  3. Step 3: Cross multiply
    9,985.39x = 14,976.80 × 2,590.36
  4. Step 4: Simplify right side
    9,985.39x = 38,795,215.81
  5. Step 5: Solve for x
    x = 38,795,215.81/9,985.39
  6. Step 6: Final answer
    x = 3,885.20

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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.