Home / 11,423.03-15,763.12-6,318.25

Finding the Fourth Proportional to 11,423.03, 15,763.12 and 6,318.25

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Solution

The fourth proportional to 11,423.03, 15,763.12 and 6,318.25 is: 8,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.03 : 15,763.12 = 6,318.25 : x
  2. Step 2: Convert to fraction form
    11,423.03/15,763.12 = 6,318.25/x
  3. Step 3: Cross multiply
    11,423.03x = 15,763.12 × 6,318.25
  4. Step 4: Simplify right side
    11,423.03x = 99,595,277.74
  5. Step 5: Solve for x
    x = 99,595,277.74/11,423.03
  6. Step 6: Final answer
    x = 8,718.82

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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.