Home / 9,985.60-14,975.40-2,963.96

Finding the Fourth Proportional to 9,985.60, 14,975.40 and 2,963.96

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Solution

The fourth proportional to 9,985.60, 14,975.40 and 2,963.96 is: 4,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.60 : 14,975.40 = 2,963.96 : x
  2. Step 2: Convert to fraction form
    9,985.60/14,975.40 = 2,963.96/x
  3. Step 3: Cross multiply
    9,985.60x = 14,975.40 × 2,963.96
  4. Step 4: Simplify right side
    9,985.60x = 44,386,486.58
  5. Step 5: Solve for x
    x = 44,386,486.58/9,985.60
  6. Step 6: Final answer
    x = 4,445.05

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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.