Home / 38,437.67-57,665.07-11,787.36

Finding the Fourth Proportional to 38,437.67, 57,665.07 and 11,787.36

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Solution

The fourth proportional to 38,437.67, 57,665.07 and 11,787.36 is: 17,683.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437.67 : 57,665.07 = 11,787.36 : x
  2. Step 2: Convert to fraction form
    38,437.67/57,665.07 = 11,787.36/x
  3. Step 3: Cross multiply
    38,437.67x = 57,665.07 × 11,787.36
  4. Step 4: Simplify right side
    38,437.67x = 679,718,939.52
  5. Step 5: Solve for x
    x = 679,718,939.52/38,437.67
  6. Step 6: Final answer
    x = 17,683.67

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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.