Home / 10,960.60-16,440.90-6,813.40

Finding the Fourth Proportional to 10,960.60, 16,440.90 and 6,813.40

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Solution

The fourth proportional to 10,960.60, 16,440.90 and 6,813.40 is: 10,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.60 : 16,440.90 = 6,813.40 : x
  2. Step 2: Convert to fraction form
    10,960.60/16,440.90 = 6,813.40/x
  3. Step 3: Cross multiply
    10,960.60x = 16,440.90 × 6,813.40
  4. Step 4: Simplify right side
    10,960.60x = 112,018,428.06
  5. Step 5: Solve for x
    x = 112,018,428.06/10,960.60
  6. Step 6: Final answer
    x = 10,220.10

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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.