Home / 13,851.04-19,123.60-8,553.64

Finding the Fourth Proportional to 13,851.04, 19,123.60 and 8,553.64

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Solution

The fourth proportional to 13,851.04, 19,123.60 and 8,553.64 is: 11,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.04 : 19,123.60 = 8,553.64 : x
  2. Step 2: Convert to fraction form
    13,851.04/19,123.60 = 8,553.64/x
  3. Step 3: Cross multiply
    13,851.04x = 19,123.60 × 8,553.64
  4. Step 4: Simplify right side
    13,851.04x = 163,576,389.90
  5. Step 5: Solve for x
    x = 163,576,389.90/13,851.04
  6. Step 6: Final answer
    x = 11,809.68

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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.