Home / 20,586.02-28,410.14-11,634.35

Finding the Fourth Proportional to 20,586.02, 28,410.14 and 11,634.35

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Solution

The fourth proportional to 20,586.02, 28,410.14 and 11,634.35 is: 16,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586.02 : 28,410.14 = 11,634.35 : x
  2. Step 2: Convert to fraction form
    20,586.02/28,410.14 = 11,634.35/x
  3. Step 3: Cross multiply
    20,586.02x = 28,410.14 × 11,634.35
  4. Step 4: Simplify right side
    20,586.02x = 330,533,399.34
  5. Step 5: Solve for x
    x = 330,533,399.34/20,586.02
  6. Step 6: Final answer
    x = 16,056.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.