Home / 19,300.68-28,955.27-10,984.61

Finding the Fourth Proportional to 19,300.68, 28,955.27 and 10,984.61

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Solution

The fourth proportional to 19,300.68, 28,955.27 and 10,984.61 is: 16,479.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.68 : 28,955.27 = 10,984.61 : x
  2. Step 2: Convert to fraction form
    19,300.68/28,955.27 = 10,984.61/x
  3. Step 3: Cross multiply
    19,300.68x = 28,955.27 × 10,984.61
  4. Step 4: Simplify right side
    19,300.68x = 318,062,448.24
  5. Step 5: Solve for x
    x = 318,062,448.24/19,300.68
  6. Step 6: Final answer
    x = 16,479.34

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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.