Home / 14,913.45-20,558.99-9,869.22

Finding the Fourth Proportional to 14,913.45, 20,558.99 and 9,869.22

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Solution

The fourth proportional to 14,913.45, 20,558.99 and 9,869.22 is: 13,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,913.45 : 20,558.99 = 9,869.22 : x
  2. Step 2: Convert to fraction form
    14,913.45/20,558.99 = 9,869.22/x
  3. Step 3: Cross multiply
    14,913.45x = 20,558.99 × 9,869.22
  4. Step 4: Simplify right side
    14,913.45x = 202,901,145.94
  5. Step 5: Solve for x
    x = 202,901,145.94/14,913.45
  6. Step 6: Final answer
    x = 13,605.25

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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.