Home / 14,137.48-19,509.60-7,849.42

Finding the Fourth Proportional to 14,137.48, 19,509.60 and 7,849.42

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Solution

The fourth proportional to 14,137.48, 19,509.60 and 7,849.42 is: 10,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.48 : 19,509.60 = 7,849.42 : x
  2. Step 2: Convert to fraction form
    14,137.48/19,509.60 = 7,849.42/x
  3. Step 3: Cross multiply
    14,137.48x = 19,509.60 × 7,849.42
  4. Step 4: Simplify right side
    14,137.48x = 153,139,044.43
  5. Step 5: Solve for x
    x = 153,139,044.43/14,137.48
  6. Step 6: Final answer
    x = 10,832.13

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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.