Home / 13,439.02-20,162.02-12,594.86

Finding the Fourth Proportional to 13,439.02, 20,162.02 and 12,594.86

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Solution

The fourth proportional to 13,439.02, 20,162.02 and 12,594.86 is: 18,895.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.02 : 20,162.02 = 12,594.86 : x
  2. Step 2: Convert to fraction form
    13,439.02/20,162.02 = 12,594.86/x
  3. Step 3: Cross multiply
    13,439.02x = 20,162.02 × 12,594.86
  4. Step 4: Simplify right side
    13,439.02x = 253,937,819.22
  5. Step 5: Solve for x
    x = 253,937,819.22/13,439.02
  6. Step 6: Final answer
    x = 18,895.56

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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.