Home / 18,528.86-25,563.48-10,565.36

Finding the Fourth Proportional to 18,528.86, 25,563.48 and 10,565.36

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Solution

The fourth proportional to 18,528.86, 25,563.48 and 10,565.36 is: 14,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.86 : 25,563.48 = 10,565.36 : x
  2. Step 2: Convert to fraction form
    18,528.86/25,563.48 = 10,565.36/x
  3. Step 3: Cross multiply
    18,528.86x = 25,563.48 × 10,565.36
  4. Step 4: Simplify right side
    18,528.86x = 270,087,369.05
  5. Step 5: Solve for x
    x = 270,087,369.05/18,528.86
  6. Step 6: Final answer
    x = 14,576.58

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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.