Home / 18,007.86-27,011.70-9,237.90

Finding the Fourth Proportional to 18,007.86, 27,011.70 and 9,237.90

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Solution

The fourth proportional to 18,007.86, 27,011.70 and 9,237.90 is: 13,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.86 : 27,011.70 = 9,237.90 : x
  2. Step 2: Convert to fraction form
    18,007.86/27,011.70 = 9,237.90/x
  3. Step 3: Cross multiply
    18,007.86x = 27,011.70 × 9,237.90
  4. Step 4: Simplify right side
    18,007.86x = 249,531,383.43
  5. Step 5: Solve for x
    x = 249,531,383.43/18,007.86
  6. Step 6: Final answer
    x = 13,856.80

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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.