Home / 14,148.07-21,207.31-7,898.92

Finding the Fourth Proportional to 14,148.07, 21,207.31 and 7,898.92

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Solution

The fourth proportional to 14,148.07, 21,207.31 and 7,898.92 is: 11,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.07 : 21,207.31 = 7,898.92 : x
  2. Step 2: Convert to fraction form
    14,148.07/21,207.31 = 7,898.92/x
  3. Step 3: Cross multiply
    14,148.07x = 21,207.31 × 7,898.92
  4. Step 4: Simplify right side
    14,148.07x = 167,514,845.11
  5. Step 5: Solve for x
    x = 167,514,845.11/14,148.07
  6. Step 6: Final answer
    x = 11,840.12

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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.