Home / 9,612.84-14,420.04-2,687.28

Finding the Fourth Proportional to 9,612.84, 14,420.04 and 2,687.28

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Solution

The fourth proportional to 9,612.84, 14,420.04 and 2,687.28 is: 4,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.84 : 14,420.04 = 2,687.28 : x
  2. Step 2: Convert to fraction form
    9,612.84/14,420.04 = 2,687.28/x
  3. Step 3: Cross multiply
    9,612.84x = 14,420.04 × 2,687.28
  4. Step 4: Simplify right side
    9,612.84x = 38,750,685.09
  5. Step 5: Solve for x
    x = 38,750,685.09/9,612.84
  6. Step 6: Final answer
    x = 4,031.14

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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.