Home / 14,872.23-20,525.40-8,903.90

Finding the Fourth Proportional to 14,872.23, 20,525.40 and 8,903.90

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Solution

The fourth proportional to 14,872.23, 20,525.40 and 8,903.90 is: 12,288.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,872.23 : 20,525.40 = 8,903.90 : x
  2. Step 2: Convert to fraction form
    14,872.23/20,525.40 = 8,903.90/x
  3. Step 3: Cross multiply
    14,872.23x = 20,525.40 × 8,903.90
  4. Step 4: Simplify right side
    14,872.23x = 182,756,109.06
  5. Step 5: Solve for x
    x = 182,756,109.06/14,872.23
  6. Step 6: Final answer
    x = 12,288.41

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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.