Home / 18,801.36-28,207.58-5,655.74

Finding the Fourth Proportional to 18,801.36, 28,207.58 and 5,655.74

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Solution

The fourth proportional to 18,801.36, 28,207.58 and 5,655.74 is: 8,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.36 : 28,207.58 = 5,655.74 : x
  2. Step 2: Convert to fraction form
    18,801.36/28,207.58 = 5,655.74/x
  3. Step 3: Cross multiply
    18,801.36x = 28,207.58 × 5,655.74
  4. Step 4: Simplify right side
    18,801.36x = 159,534,569.19
  5. Step 5: Solve for x
    x = 159,534,569.19/18,801.36
  6. Step 6: Final answer
    x = 8,485.27

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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.