Home / 13,056.24-19,620.51-12,739.74

Finding the Fourth Proportional to 13,056.24, 19,620.51 and 12,739.74

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Solution

The fourth proportional to 13,056.24, 19,620.51 and 12,739.74 is: 19,144.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.24 : 19,620.51 = 12,739.74 : x
  2. Step 2: Convert to fraction form
    13,056.24/19,620.51 = 12,739.74/x
  3. Step 3: Cross multiply
    13,056.24x = 19,620.51 × 12,739.74
  4. Step 4: Simplify right side
    13,056.24x = 249,960,196.07
  5. Step 5: Solve for x
    x = 249,960,196.07/13,056.24
  6. Step 6: Final answer
    x = 19,144.88

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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.