Home / 15,467.63-21,345.11-8,754.59

Finding the Fourth Proportional to 15,467.63, 21,345.11 and 8,754.59

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Solution

The fourth proportional to 15,467.63, 21,345.11 and 8,754.59 is: 12,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,467.63 : 21,345.11 = 8,754.59 : x
  2. Step 2: Convert to fraction form
    15,467.63/21,345.11 = 8,754.59/x
  3. Step 3: Cross multiply
    15,467.63x = 21,345.11 × 8,754.59
  4. Step 4: Simplify right side
    15,467.63x = 186,867,536.06
  5. Step 5: Solve for x
    x = 186,867,536.06/15,467.63
  6. Step 6: Final answer
    x = 12,081.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.