Home / 9,423.12-14,138.40-4,227.84

Finding the Fourth Proportional to 9,423.12, 14,138.40 and 4,227.84

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Solution

The fourth proportional to 9,423.12, 14,138.40 and 4,227.84 is: 6,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.12 : 14,138.40 = 4,227.84 : x
  2. Step 2: Convert to fraction form
    9,423.12/14,138.40 = 4,227.84/x
  3. Step 3: Cross multiply
    9,423.12x = 14,138.40 × 4,227.84
  4. Step 4: Simplify right side
    9,423.12x = 59,774,893.06
  5. Step 5: Solve for x
    x = 59,774,893.06/9,423.12
  6. Step 6: Final answer
    x = 6,343.43

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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.