Home / 15,975.81-22,051.79-9,268.10

Finding the Fourth Proportional to 15,975.81, 22,051.79 and 9,268.10

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Solution

The fourth proportional to 15,975.81, 22,051.79 and 9,268.10 is: 12,792.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.81 : 22,051.79 = 9,268.10 : x
  2. Step 2: Convert to fraction form
    15,975.81/22,051.79 = 9,268.10/x
  3. Step 3: Cross multiply
    15,975.81x = 22,051.79 × 9,268.10
  4. Step 4: Simplify right side
    15,975.81x = 204,378,145.86
  5. Step 5: Solve for x
    x = 204,378,145.86/15,975.81
  6. Step 6: Final answer
    x = 12,792.98

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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.