Home / 18,573.27-25,631.61-10,615.32

Finding the Fourth Proportional to 18,573.27, 25,631.61 and 10,615.32

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Solution

The fourth proportional to 18,573.27, 25,631.61 and 10,615.32 is: 14,649.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.27 : 25,631.61 = 10,615.32 : x
  2. Step 2: Convert to fraction form
    18,573.27/25,631.61 = 10,615.32/x
  3. Step 3: Cross multiply
    18,573.27x = 25,631.61 × 10,615.32
  4. Step 4: Simplify right side
    18,573.27x = 272,087,742.27
  5. Step 5: Solve for x
    x = 272,087,742.27/18,573.27
  6. Step 6: Final answer
    x = 14,649.43

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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.