Home / 13,423.71-20,134.95-4,659.32

Finding the Fourth Proportional to 13,423.71, 20,134.95 and 4,659.32

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Solution

The fourth proportional to 13,423.71, 20,134.95 and 4,659.32 is: 6,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,423.71 : 20,134.95 = 4,659.32 : x
  2. Step 2: Convert to fraction form
    13,423.71/20,134.95 = 4,659.32/x
  3. Step 3: Cross multiply
    13,423.71x = 20,134.95 × 4,659.32
  4. Step 4: Simplify right side
    13,423.71x = 93,815,074.56
  5. Step 5: Solve for x
    x = 93,815,074.56/13,423.71
  6. Step 6: Final answer
    x = 6,988.76

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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.