Home / 9,619.60-14,432.10-4,689.40

Finding the Fourth Proportional to 9,619.60, 14,432.10 and 4,689.40

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Solution

The fourth proportional to 9,619.60, 14,432.10 and 4,689.40 is: 7,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.60 : 14,432.10 = 4,689.40 : x
  2. Step 2: Convert to fraction form
    9,619.60/14,432.10 = 4,689.40/x
  3. Step 3: Cross multiply
    9,619.60x = 14,432.10 × 4,689.40
  4. Step 4: Simplify right side
    9,619.60x = 67,677,889.74
  5. Step 5: Solve for x
    x = 67,677,889.74/9,619.60
  6. Step 6: Final answer
    x = 7,035.42

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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.