Home / 19,860.84-29,775.60-13,601.93

Finding the Fourth Proportional to 19,860.84, 29,775.60 and 13,601.93

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Solution

The fourth proportional to 19,860.84, 29,775.60 and 13,601.93 is: 20,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.84 : 29,775.60 = 13,601.93 : x
  2. Step 2: Convert to fraction form
    19,860.84/29,775.60 = 13,601.93/x
  3. Step 3: Cross multiply
    19,860.84x = 29,775.60 × 13,601.93
  4. Step 4: Simplify right side
    19,860.84x = 405,005,478.03
  5. Step 5: Solve for x
    x = 405,005,478.03/19,860.84
  6. Step 6: Final answer
    x = 20,392.16

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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.