Home / 14,345.15-21,516.89-6,445.63

Finding the Fourth Proportional to 14,345.15, 21,516.89 and 6,445.63

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Solution

The fourth proportional to 14,345.15, 21,516.89 and 6,445.63 is: 9,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.15 : 21,516.89 = 6,445.63 : x
  2. Step 2: Convert to fraction form
    14,345.15/21,516.89 = 6,445.63/x
  3. Step 3: Cross multiply
    14,345.15x = 21,516.89 × 6,445.63
  4. Step 4: Simplify right side
    14,345.15x = 138,689,821.58
  5. Step 5: Solve for x
    x = 138,689,821.58/14,345.15
  6. Step 6: Final answer
    x = 9,668.06

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Double scale
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1.5x scale

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.