Home / 16,784.21-23,160.41-9,709.31

Finding the Fourth Proportional to 16,784.21, 23,160.41 and 9,709.31

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Solution

The fourth proportional to 16,784.21, 23,160.41 and 9,709.31 is: 13,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.21 : 23,160.41 = 9,709.31 : x
  2. Step 2: Convert to fraction form
    16,784.21/23,160.41 = 9,709.31/x
  3. Step 3: Cross multiply
    16,784.21x = 23,160.41 × 9,709.31
  4. Step 4: Simplify right side
    16,784.21x = 224,871,436.07
  5. Step 5: Solve for x
    x = 224,871,436.07/16,784.21
  6. Step 6: Final answer
    x = 13,397.80

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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.