Home / 18,337.93-27,506.89-5,188.59

Finding the Fourth Proportional to 18,337.93, 27,506.89 and 5,188.59

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Solution

The fourth proportional to 18,337.93, 27,506.89 and 5,188.59 is: 7,782.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337.93 : 27,506.89 = 5,188.59 : x
  2. Step 2: Convert to fraction form
    18,337.93/27,506.89 = 5,188.59/x
  3. Step 3: Cross multiply
    18,337.93x = 27,506.89 × 5,188.59
  4. Step 4: Simplify right side
    18,337.93x = 142,721,980.87
  5. Step 5: Solve for x
    x = 142,721,980.87/18,337.93
  6. Step 6: Final answer
    x = 7,782.89

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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.