Home / 13,148.13-19,710.47-4,826.21

Finding the Fourth Proportional to 13,148.13, 19,710.47 and 4,826.21

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Solution

The fourth proportional to 13,148.13, 19,710.47 and 4,826.21 is: 7,235.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.13 : 19,710.47 = 4,826.21 : x
  2. Step 2: Convert to fraction form
    13,148.13/19,710.47 = 4,826.21/x
  3. Step 3: Cross multiply
    13,148.13x = 19,710.47 × 4,826.21
  4. Step 4: Simplify right side
    13,148.13x = 95,126,892.56
  5. Step 5: Solve for x
    x = 95,126,892.56/13,148.13
  6. Step 6: Final answer
    x = 7,235.01

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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.