Home / 9,402.40-14,084.08-4,211.92

Finding the Fourth Proportional to 9,402.40, 14,084.08 and 4,211.92

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Solution

The fourth proportional to 9,402.40, 14,084.08 and 4,211.92 is: 6,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.40 : 14,084.08 = 4,211.92 : x
  2. Step 2: Convert to fraction form
    9,402.40/14,084.08 = 4,211.92/x
  3. Step 3: Cross multiply
    9,402.40x = 14,084.08 × 4,211.92
  4. Step 4: Simplify right side
    9,402.40x = 59,321,018.23
  5. Step 5: Solve for x
    x = 59,321,018.23/9,402.40
  6. Step 6: Final answer
    x = 6,309.14

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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.