Home / 12,038.56-18,065.01-5,374.54

Finding the Fourth Proportional to 12,038.56, 18,065.01 and 5,374.54

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Solution

The fourth proportional to 12,038.56, 18,065.01 and 5,374.54 is: 8,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.56 : 18,065.01 = 5,374.54 : x
  2. Step 2: Convert to fraction form
    12,038.56/18,065.01 = 5,374.54/x
  3. Step 3: Cross multiply
    12,038.56x = 18,065.01 × 5,374.54
  4. Step 4: Simplify right side
    12,038.56x = 97,091,028.52
  5. Step 5: Solve for x
    x = 97,091,028.52/12,038.56
  6. Step 6: Final answer
    x = 8,065.01

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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.