Home / 23,429.04-35,157.32-8,639.11

Finding the Fourth Proportional to 23,429.04, 35,157.32 and 8,639.11

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Solution

The fourth proportional to 23,429.04, 35,157.32 and 8,639.11 is: 12,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,429.04 : 35,157.32 = 8,639.11 : x
  2. Step 2: Convert to fraction form
    23,429.04/35,157.32 = 8,639.11/x
  3. Step 3: Cross multiply
    23,429.04x = 35,157.32 × 8,639.11
  4. Step 4: Simplify right side
    23,429.04x = 303,727,954.79
  5. Step 5: Solve for x
    x = 303,727,954.79/23,429.04
  6. Step 6: Final answer
    x = 12,963.74

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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.