Home / 9,991.84-14,957.04-6,280.96

Finding the Fourth Proportional to 9,991.84, 14,957.04 and 6,280.96

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Solution

The fourth proportional to 9,991.84, 14,957.04 and 6,280.96 is: 9,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991.84 : 14,957.04 = 6,280.96 : x
  2. Step 2: Convert to fraction form
    9,991.84/14,957.04 = 6,280.96/x
  3. Step 3: Cross multiply
    9,991.84x = 14,957.04 × 6,280.96
  4. Step 4: Simplify right side
    9,991.84x = 93,944,569.96
  5. Step 5: Solve for x
    x = 93,944,569.96/9,991.84
  6. Step 6: Final answer
    x = 9,402.13

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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.