Home / 14,586.12-20,128.74-8,298.84

Finding the Fourth Proportional to 14,586.12, 20,128.74 and 8,298.84

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Solution

The fourth proportional to 14,586.12, 20,128.74 and 8,298.84 is: 11,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,586.12 : 20,128.74 = 8,298.84 : x
  2. Step 2: Convert to fraction form
    14,586.12/20,128.74 = 8,298.84/x
  3. Step 3: Cross multiply
    14,586.12x = 20,128.74 × 8,298.84
  4. Step 4: Simplify right side
    14,586.12x = 167,045,192.66
  5. Step 5: Solve for x
    x = 167,045,192.66/14,586.12
  6. Step 6: Final answer
    x = 11,452.34

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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.