Home / 10,423.04-14,386.32-6,441.75

Finding the Fourth Proportional to 10,423.04, 14,386.32 and 6,441.75

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Solution

The fourth proportional to 10,423.04, 14,386.32 and 6,441.75 is: 8,891.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.04 : 14,386.32 = 6,441.75 : x
  2. Step 2: Convert to fraction form
    10,423.04/14,386.32 = 6,441.75/x
  3. Step 3: Cross multiply
    10,423.04x = 14,386.32 × 6,441.75
  4. Step 4: Simplify right side
    10,423.04x = 92,673,076.86
  5. Step 5: Solve for x
    x = 92,673,076.86/10,423.04
  6. Step 6: Final answer
    x = 8,891.18

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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.