Home / 14,448.56-19,935-9,145.64

Finding the Fourth Proportional to 14,448.56, 19,935 and 9,145.64

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Solution

The fourth proportional to 14,448.56, 19,935 and 9,145.64 is: 12,618.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448.56 : 19,935 = 9,145.64 : x
  2. Step 2: Convert to fraction form
    14,448.56/19,935 = 9,145.64/x
  3. Step 3: Cross multiply
    14,448.56x = 19,935 × 9,145.64
  4. Step 4: Simplify right side
    14,448.56x = 182,318,333.40
  5. Step 5: Solve for x
    x = 182,318,333.40/14,448.56
  6. Step 6: Final answer
    x = 12,618.44

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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.