Home / 14,520.08-21,775.40-8,965.10

Finding the Fourth Proportional to 14,520.08, 21,775.40 and 8,965.10

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Solution

The fourth proportional to 14,520.08, 21,775.40 and 8,965.10 is: 13,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.08 : 21,775.40 = 8,965.10 : x
  2. Step 2: Convert to fraction form
    14,520.08/21,775.40 = 8,965.10/x
  3. Step 3: Cross multiply
    14,520.08x = 21,775.40 × 8,965.10
  4. Step 4: Simplify right side
    14,520.08x = 195,218,638.54
  5. Step 5: Solve for x
    x = 195,218,638.54/14,520.08
  6. Step 6: Final answer
    x = 13,444.74

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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.