Home / 14,137.26-19,509.75-7,849.50

Finding the Fourth Proportional to 14,137.26, 19,509.75 and 7,849.50

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Solution

The fourth proportional to 14,137.26, 19,509.75 and 7,849.50 is: 10,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.26 : 19,509.75 = 7,849.50 : x
  2. Step 2: Convert to fraction form
    14,137.26/19,509.75 = 7,849.50/x
  3. Step 3: Cross multiply
    14,137.26x = 19,509.75 × 7,849.50
  4. Step 4: Simplify right side
    14,137.26x = 153,141,782.63
  5. Step 5: Solve for x
    x = 153,141,782.63/14,137.26
  6. Step 6: Final answer
    x = 10,832.49

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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.