Home / 10,423.10-14,369.06-6,441.96

Finding the Fourth Proportional to 10,423.10, 14,369.06 and 6,441.96

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Solution

The fourth proportional to 10,423.10, 14,369.06 and 6,441.96 is: 8,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.10 : 14,369.06 = 6,441.96 : x
  2. Step 2: Convert to fraction form
    10,423.10/14,369.06 = 6,441.96/x
  3. Step 3: Cross multiply
    10,423.10x = 14,369.06 × 6,441.96
  4. Step 4: Simplify right side
    10,423.10x = 92,564,909.76
  5. Step 5: Solve for x
    x = 92,564,909.76/10,423.10
  6. Step 6: Final answer
    x = 8,880.75

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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.