Home / 18,631.42-25,708.53-10,564.63

Finding the Fourth Proportional to 18,631.42, 25,708.53 and 10,564.63

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Solution

The fourth proportional to 18,631.42, 25,708.53 and 10,564.63 is: 14,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.42 : 25,708.53 = 10,564.63 : x
  2. Step 2: Convert to fraction form
    18,631.42/25,708.53 = 10,564.63/x
  3. Step 3: Cross multiply
    18,631.42x = 25,708.53 × 10,564.63
  4. Step 4: Simplify right side
    18,631.42x = 271,601,107.29
  5. Step 5: Solve for x
    x = 271,601,107.29/18,631.42
  6. Step 6: Final answer
    x = 14,577.58

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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.