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Finding the Fourth Proportional to 9,669.16, 14,511.03 and 4,478.68

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Solution

The fourth proportional to 9,669.16, 14,511.03 and 4,478.68 is: 6,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.16 : 14,511.03 = 4,478.68 : x
  2. Step 2: Convert to fraction form
    9,669.16/14,511.03 = 4,478.68/x
  3. Step 3: Cross multiply
    9,669.16x = 14,511.03 × 4,478.68
  4. Step 4: Simplify right side
    9,669.16x = 64,990,259.84
  5. Step 5: Solve for x
    x = 64,990,259.84/9,669.16
  6. Step 6: Final answer
    x = 6,721.40

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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.