Home / 9,405.32-14,102.58-6,288.90

Finding the Fourth Proportional to 9,405.32, 14,102.58 and 6,288.90

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Solution

The fourth proportional to 9,405.32, 14,102.58 and 6,288.90 is: 9,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.32 : 14,102.58 = 6,288.90 : x
  2. Step 2: Convert to fraction form
    9,405.32/14,102.58 = 6,288.90/x
  3. Step 3: Cross multiply
    9,405.32x = 14,102.58 × 6,288.90
  4. Step 4: Simplify right side
    9,405.32x = 88,689,715.36
  5. Step 5: Solve for x
    x = 88,689,715.36/9,405.32
  6. Step 6: Final answer
    x = 9,429.74

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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.