Home / 10,946.80-16,425.60-6,270.40

Finding the Fourth Proportional to 10,946.80, 16,425.60 and 6,270.40

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Solution

The fourth proportional to 10,946.80, 16,425.60 and 6,270.40 is: 9,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.80 : 16,425.60 = 6,270.40 : x
  2. Step 2: Convert to fraction form
    10,946.80/16,425.60 = 6,270.40/x
  3. Step 3: Cross multiply
    10,946.80x = 16,425.60 × 6,270.40
  4. Step 4: Simplify right side
    10,946.80x = 102,995,082.24
  5. Step 5: Solve for x
    x = 102,995,082.24/10,946.80
  6. Step 6: Final answer
    x = 9,408.69

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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.