Home / 18,528.94-25,565.16-10,975.42

Finding the Fourth Proportional to 18,528.94, 25,565.16 and 10,975.42

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Solution

The fourth proportional to 18,528.94, 25,565.16 and 10,975.42 is: 15,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.94 : 25,565.16 = 10,975.42 : x
  2. Step 2: Convert to fraction form
    18,528.94/25,565.16 = 10,975.42/x
  3. Step 3: Cross multiply
    18,528.94x = 25,565.16 × 10,975.42
  4. Step 4: Simplify right side
    18,528.94x = 280,588,368.37
  5. Step 5: Solve for x
    x = 280,588,368.37/18,528.94
  6. Step 6: Final answer
    x = 15,143.25

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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.