Home / 18,237.33-27,337.16-6,989.58

Finding the Fourth Proportional to 18,237.33, 27,337.16 and 6,989.58

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Solution

The fourth proportional to 18,237.33, 27,337.16 and 6,989.58 is: 10,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.33 : 27,337.16 = 6,989.58 : x
  2. Step 2: Convert to fraction form
    18,237.33/27,337.16 = 6,989.58/x
  3. Step 3: Cross multiply
    18,237.33x = 27,337.16 × 6,989.58
  4. Step 4: Simplify right side
    18,237.33x = 191,075,231.84
  5. Step 5: Solve for x
    x = 191,075,231.84/18,237.33
  6. Step 6: Final answer
    x = 10,477.15

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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.