Home / 14,984.02-20,686.89-13,323.46

Finding the Fourth Proportional to 14,984.02, 20,686.89 and 13,323.46

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Solution

The fourth proportional to 14,984.02, 20,686.89 and 13,323.46 is: 18,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.02 : 20,686.89 = 13,323.46 : x
  2. Step 2: Convert to fraction form
    14,984.02/20,686.89 = 13,323.46/x
  3. Step 3: Cross multiply
    14,984.02x = 20,686.89 × 13,323.46
  4. Step 4: Simplify right side
    14,984.02x = 275,620,951.44
  5. Step 5: Solve for x
    x = 275,620,951.44/14,984.02
  6. Step 6: Final answer
    x = 18,394.33

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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.