Home / 15,784.14-23,668.88-9,212.16

Finding the Fourth Proportional to 15,784.14, 23,668.88 and 9,212.16

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Solution

The fourth proportional to 15,784.14, 23,668.88 and 9,212.16 is: 13,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.14 : 23,668.88 = 9,212.16 : x
  2. Step 2: Convert to fraction form
    15,784.14/23,668.88 = 9,212.16/x
  3. Step 3: Cross multiply
    15,784.14x = 23,668.88 × 9,212.16
  4. Step 4: Simplify right side
    15,784.14x = 218,041,463.52
  5. Step 5: Solve for x
    x = 218,041,463.52/15,784.14
  6. Step 6: Final answer
    x = 13,813.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.