Home / 18,220.37-27,312.28-6,364.94

Finding the Fourth Proportional to 18,220.37, 27,312.28 and 6,364.94

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Solution

The fourth proportional to 18,220.37, 27,312.28 and 6,364.94 is: 9,541.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.37 : 27,312.28 = 6,364.94 : x
  2. Step 2: Convert to fraction form
    18,220.37/27,312.28 = 6,364.94/x
  3. Step 3: Cross multiply
    18,220.37x = 27,312.28 × 6,364.94
  4. Step 4: Simplify right side
    18,220.37x = 173,840,870.99
  5. Step 5: Solve for x
    x = 173,840,870.99/18,220.37
  6. Step 6: Final answer
    x = 9,541.02

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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.