Home / 13,917.02-19,206.26-7,950.63

Finding the Fourth Proportional to 13,917.02, 19,206.26 and 7,950.63

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Solution

The fourth proportional to 13,917.02, 19,206.26 and 7,950.63 is: 10,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.02 : 19,206.26 = 7,950.63 : x
  2. Step 2: Convert to fraction form
    13,917.02/19,206.26 = 7,950.63/x
  3. Step 3: Cross multiply
    13,917.02x = 19,206.26 × 7,950.63
  4. Step 4: Simplify right side
    13,917.02x = 152,701,866.94
  5. Step 5: Solve for x
    x = 152,701,866.94/13,917.02
  6. Step 6: Final answer
    x = 10,972.31

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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.