Home / 13,856.02-20,784.03-3,467.77

Finding the Fourth Proportional to 13,856.02, 20,784.03 and 3,467.77

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Solution

The fourth proportional to 13,856.02, 20,784.03 and 3,467.77 is: 5,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856.02 : 20,784.03 = 3,467.77 : x
  2. Step 2: Convert to fraction form
    13,856.02/20,784.03 = 3,467.77/x
  3. Step 3: Cross multiply
    13,856.02x = 20,784.03 × 3,467.77
  4. Step 4: Simplify right side
    13,856.02x = 72,074,235.71
  5. Step 5: Solve for x
    x = 72,074,235.71/13,856.02
  6. Step 6: Final answer
    x = 5,201.66

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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.