Home / 10,423.18-14,384.10-6,443.38

Finding the Fourth Proportional to 10,423.18, 14,384.10 and 6,443.38

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Solution

The fourth proportional to 10,423.18, 14,384.10 and 6,443.38 is: 8,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.18 : 14,384.10 = 6,443.38 : x
  2. Step 2: Convert to fraction form
    10,423.18/14,384.10 = 6,443.38/x
  3. Step 3: Cross multiply
    10,423.18x = 14,384.10 × 6,443.38
  4. Step 4: Simplify right side
    10,423.18x = 92,682,222.26
  5. Step 5: Solve for x
    x = 92,682,222.26/10,423.18
  6. Step 6: Final answer
    x = 8,891.93

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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.