Home / 18,237.35-27,337.55-12,299.64

Finding the Fourth Proportional to 18,237.35, 27,337.55 and 12,299.64

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Solution

The fourth proportional to 18,237.35, 27,337.55 and 12,299.64 is: 18,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.35 : 27,337.55 = 12,299.64 : x
  2. Step 2: Convert to fraction form
    18,237.35/27,337.55 = 12,299.64/x
  3. Step 3: Cross multiply
    18,237.35x = 27,337.55 × 12,299.64
  4. Step 4: Simplify right side
    18,237.35x = 336,242,008.11
  5. Step 5: Solve for x
    x = 336,242,008.11/18,237.35
  6. Step 6: Final answer
    x = 18,437.00

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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.