Home / 14,579.10-20,115.27-9,855.18

Finding the Fourth Proportional to 14,579.10, 20,115.27 and 9,855.18

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Solution

The fourth proportional to 14,579.10, 20,115.27 and 9,855.18 is: 13,597.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.10 : 20,115.27 = 9,855.18 : x
  2. Step 2: Convert to fraction form
    14,579.10/20,115.27 = 9,855.18/x
  3. Step 3: Cross multiply
    14,579.10x = 20,115.27 × 9,855.18
  4. Step 4: Simplify right side
    14,579.10x = 198,239,606.60
  5. Step 5: Solve for x
    x = 198,239,606.60/14,579.10
  6. Step 6: Final answer
    x = 13,597.52

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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.