Home / 9,956.40-14,934.60-3,030.90

Finding the Fourth Proportional to 9,956.40, 14,934.60 and 3,030.90

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Solution

The fourth proportional to 9,956.40, 14,934.60 and 3,030.90 is: 4,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.40 : 14,934.60 = 3,030.90 : x
  2. Step 2: Convert to fraction form
    9,956.40/14,934.60 = 3,030.90/x
  3. Step 3: Cross multiply
    9,956.40x = 14,934.60 × 3,030.90
  4. Step 4: Simplify right side
    9,956.40x = 45,265,279.14
  5. Step 5: Solve for x
    x = 45,265,279.14/9,956.40
  6. Step 6: Final answer
    x = 4,546.35

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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.