Home / 15,423.64-23,135.04-4,330.42

Finding the Fourth Proportional to 15,423.64, 23,135.04 and 4,330.42

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Solution

The fourth proportional to 15,423.64, 23,135.04 and 4,330.42 is: 6,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.64 : 23,135.04 = 4,330.42 : x
  2. Step 2: Convert to fraction form
    15,423.64/23,135.04 = 4,330.42/x
  3. Step 3: Cross multiply
    15,423.64x = 23,135.04 × 4,330.42
  4. Step 4: Simplify right side
    15,423.64x = 100,184,439.92
  5. Step 5: Solve for x
    x = 100,184,439.92/15,423.64
  6. Step 6: Final answer
    x = 6,495.51

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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.