Home / 13,156.16-19,733.96-4,271.48

Finding the Fourth Proportional to 13,156.16, 19,733.96 and 4,271.48

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Solution

The fourth proportional to 13,156.16, 19,733.96 and 4,271.48 is: 6,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.16 : 19,733.96 = 4,271.48 : x
  2. Step 2: Convert to fraction form
    13,156.16/19,733.96 = 4,271.48/x
  3. Step 3: Cross multiply
    13,156.16x = 19,733.96 × 4,271.48
  4. Step 4: Simplify right side
    13,156.16x = 84,293,095.43
  5. Step 5: Solve for x
    x = 84,293,095.43/13,156.16
  6. Step 6: Final answer
    x = 6,407.12

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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.