Home / 10,784.92-14,881.72-6,309.40

Finding the Fourth Proportional to 10,784.92, 14,881.72 and 6,309.40

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Solution

The fourth proportional to 10,784.92, 14,881.72 and 6,309.40 is: 8,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.92 : 14,881.72 = 6,309.40 : x
  2. Step 2: Convert to fraction form
    10,784.92/14,881.72 = 6,309.40/x
  3. Step 3: Cross multiply
    10,784.92x = 14,881.72 × 6,309.40
  4. Step 4: Simplify right side
    10,784.92x = 93,894,724.17
  5. Step 5: Solve for x
    x = 93,894,724.17/10,784.92
  6. Step 6: Final answer
    x = 8,706.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.