Home / 14,138.72-19,507.92-7,849.52

Finding the Fourth Proportional to 14,138.72, 19,507.92 and 7,849.52

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Solution

The fourth proportional to 14,138.72, 19,507.92 and 7,849.52 is: 10,830.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.72 : 19,507.92 = 7,849.52 : x
  2. Step 2: Convert to fraction form
    14,138.72/19,507.92 = 7,849.52/x
  3. Step 3: Cross multiply
    14,138.72x = 19,507.92 × 7,849.52
  4. Step 4: Simplify right side
    14,138.72x = 153,127,808.20
  5. Step 5: Solve for x
    x = 153,127,808.20/14,138.72
  6. Step 6: Final answer
    x = 10,830.39

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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.