Home / 9,630.40-14,435.20-4,689.12

Finding the Fourth Proportional to 9,630.40, 14,435.20 and 4,689.12

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Solution

The fourth proportional to 9,630.40, 14,435.20 and 4,689.12 is: 7,028.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630.40 : 14,435.20 = 4,689.12 : x
  2. Step 2: Convert to fraction form
    9,630.40/14,435.20 = 4,689.12/x
  3. Step 3: Cross multiply
    9,630.40x = 14,435.20 × 4,689.12
  4. Step 4: Simplify right side
    9,630.40x = 67,688,385.02
  5. Step 5: Solve for x
    x = 67,688,385.02/9,630.40
  6. Step 6: Final answer
    x = 7,028.62

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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.