Home / 13,957.93-19,263.02-7,991.47

Finding the Fourth Proportional to 13,957.93, 19,263.02 and 7,991.47

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Solution

The fourth proportional to 13,957.93, 19,263.02 and 7,991.47 is: 11,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.93 : 19,263.02 = 7,991.47 : x
  2. Step 2: Convert to fraction form
    13,957.93/19,263.02 = 7,991.47/x
  3. Step 3: Cross multiply
    13,957.93x = 19,263.02 × 7,991.47
  4. Step 4: Simplify right side
    13,957.93x = 153,939,846.44
  5. Step 5: Solve for x
    x = 153,939,846.44/13,957.93
  6. Step 6: Final answer
    x = 11,028.84

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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.