Home / 13,156.48-19,727.40-4,386.61

Finding the Fourth Proportional to 13,156.48, 19,727.40 and 4,386.61

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Solution

The fourth proportional to 13,156.48, 19,727.40 and 4,386.61 is: 6,577.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.48 : 19,727.40 = 4,386.61 : x
  2. Step 2: Convert to fraction form
    13,156.48/19,727.40 = 4,386.61/x
  3. Step 3: Cross multiply
    13,156.48x = 19,727.40 × 4,386.61
  4. Step 4: Simplify right side
    13,156.48x = 86,536,410.11
  5. Step 5: Solve for x
    x = 86,536,410.11/13,156.48
  6. Step 6: Final answer
    x = 6,577.47

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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.