Home / 9,559.20-14,336.96-6,429.96

Finding the Fourth Proportional to 9,559.20, 14,336.96 and 6,429.96

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Solution

The fourth proportional to 9,559.20, 14,336.96 and 6,429.96 is: 9,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,559.20 : 14,336.96 = 6,429.96 : x
  2. Step 2: Convert to fraction form
    9,559.20/14,336.96 = 6,429.96/x
  3. Step 3: Cross multiply
    9,559.20x = 14,336.96 × 6,429.96
  4. Step 4: Simplify right side
    9,559.20x = 92,186,079.32
  5. Step 5: Solve for x
    x = 92,186,079.32/9,559.20
  6. Step 6: Final answer
    x = 9,643.70

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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.