Home / 13,140.93-19,713.99-4,821.02

Finding the Fourth Proportional to 13,140.93, 19,713.99 and 4,821.02

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Solution

The fourth proportional to 13,140.93, 19,713.99 and 4,821.02 is: 7,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140.93 : 19,713.99 = 4,821.02 : x
  2. Step 2: Convert to fraction form
    13,140.93/19,713.99 = 4,821.02/x
  3. Step 3: Cross multiply
    13,140.93x = 19,713.99 × 4,821.02
  4. Step 4: Simplify right side
    13,140.93x = 95,041,417.39
  5. Step 5: Solve for x
    x = 95,041,417.39/13,140.93
  6. Step 6: Final answer
    x = 7,232.47

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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.