Home / 14,271.40-21,389.82-8,707.24

Finding the Fourth Proportional to 14,271.40, 21,389.82 and 8,707.24

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Solution

The fourth proportional to 14,271.40, 21,389.82 and 8,707.24 is: 13,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,271.40 : 21,389.82 = 8,707.24 : x
  2. Step 2: Convert to fraction form
    14,271.40/21,389.82 = 8,707.24/x
  3. Step 3: Cross multiply
    14,271.40x = 21,389.82 × 8,707.24
  4. Step 4: Simplify right side
    14,271.40x = 186,246,296.30
  5. Step 5: Solve for x
    x = 186,246,296.30/14,271.40
  6. Step 6: Final answer
    x = 13,050.32

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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.