Home / 13,154.77-19,719.33-5,254.93

Finding the Fourth Proportional to 13,154.77, 19,719.33 and 5,254.93

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Solution

The fourth proportional to 13,154.77, 19,719.33 and 5,254.93 is: 7,877.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.77 : 19,719.33 = 5,254.93 : x
  2. Step 2: Convert to fraction form
    13,154.77/19,719.33 = 5,254.93/x
  3. Step 3: Cross multiply
    13,154.77x = 19,719.33 × 5,254.93
  4. Step 4: Simplify right side
    13,154.77x = 103,623,698.80
  5. Step 5: Solve for x
    x = 103,623,698.80/13,154.77
  6. Step 6: Final answer
    x = 7,877.27

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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.