Home / 12,839.19-19,253.93-5,043.75

Finding the Fourth Proportional to 12,839.19, 19,253.93 and 5,043.75

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Solution

The fourth proportional to 12,839.19, 19,253.93 and 5,043.75 is: 7,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,839.19 : 19,253.93 = 5,043.75 : x
  2. Step 2: Convert to fraction form
    12,839.19/19,253.93 = 5,043.75/x
  3. Step 3: Cross multiply
    12,839.19x = 19,253.93 × 5,043.75
  4. Step 4: Simplify right side
    12,839.19x = 97,111,984.22
  5. Step 5: Solve for x
    x = 97,111,984.22/12,839.19
  6. Step 6: Final answer
    x = 7,563.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.