Home / 19,477.79-29,206.67-8,938.73

Finding the Fourth Proportional to 19,477.79, 29,206.67 and 8,938.73

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Solution

The fourth proportional to 19,477.79, 29,206.67 and 8,938.73 is: 13,403.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.79 : 29,206.67 = 8,938.73 : x
  2. Step 2: Convert to fraction form
    19,477.79/29,206.67 = 8,938.73/x
  3. Step 3: Cross multiply
    19,477.79x = 29,206.67 × 8,938.73
  4. Step 4: Simplify right side
    19,477.79x = 261,070,537.33
  5. Step 5: Solve for x
    x = 261,070,537.33/19,477.79
  6. Step 6: Final answer
    x = 13,403.50

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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.