Home / 18,005.14-26,971.53-8,972.00

Finding the Fourth Proportional to 18,005.14, 26,971.53 and 8,972.00

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Solution

The fourth proportional to 18,005.14, 26,971.53 and 8,972.00 is: 13,439.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.14 : 26,971.53 = 8,972.00 : x
  2. Step 2: Convert to fraction form
    18,005.14/26,971.53 = 8,972.00/x
  3. Step 3: Cross multiply
    18,005.14x = 26,971.53 × 8,972.00
  4. Step 4: Simplify right side
    18,005.14x = 241,988,634.59
  5. Step 5: Solve for x
    x = 241,988,634.59/18,005.14
  6. Step 6: Final answer
    x = 13,439.98

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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.