Home / 10,670.70-16,004.18-4,005.40

Finding the Fourth Proportional to 10,670.70, 16,004.18 and 4,005.40

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Solution

The fourth proportional to 10,670.70, 16,004.18 and 4,005.40 is: 6,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.70 : 16,004.18 = 4,005.40 : x
  2. Step 2: Convert to fraction form
    10,670.70/16,004.18 = 4,005.40/x
  3. Step 3: Cross multiply
    10,670.70x = 16,004.18 × 4,005.40
  4. Step 4: Simplify right side
    10,670.70x = 64,103,142.57
  5. Step 5: Solve for x
    x = 64,103,142.57/10,670.70
  6. Step 6: Final answer
    x = 6,007.40

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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.