Home / 13,261.07-19,886.40-4,936.53

Finding the Fourth Proportional to 13,261.07, 19,886.40 and 4,936.53

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Solution

The fourth proportional to 13,261.07, 19,886.40 and 4,936.53 is: 7,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.07 : 19,886.40 = 4,936.53 : x
  2. Step 2: Convert to fraction form
    13,261.07/19,886.40 = 4,936.53/x
  3. Step 3: Cross multiply
    13,261.07x = 19,886.40 × 4,936.53
  4. Step 4: Simplify right side
    13,261.07x = 98,169,884.77
  5. Step 5: Solve for x
    x = 98,169,884.77/13,261.07
  6. Step 6: Final answer
    x = 7,402.86

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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.