Home / 13,260.68-19,886.76-4,374.01

Finding the Fourth Proportional to 13,260.68, 19,886.76 and 4,374.01

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Solution

The fourth proportional to 13,260.68, 19,886.76 and 4,374.01 is: 6,559.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.68 : 19,886.76 = 4,374.01 : x
  2. Step 2: Convert to fraction form
    13,260.68/19,886.76 = 4,374.01/x
  3. Step 3: Cross multiply
    13,260.68x = 19,886.76 × 4,374.01
  4. Step 4: Simplify right side
    13,260.68x = 86,984,887.11
  5. Step 5: Solve for x
    x = 86,984,887.11/13,260.68
  6. Step 6: Final answer
    x = 6,559.61

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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.