Home / 19,303.32-28,957.31-6,820.79

Finding the Fourth Proportional to 19,303.32, 28,957.31 and 6,820.79

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Solution

The fourth proportional to 19,303.32, 28,957.31 and 6,820.79 is: 10,232.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.32 : 28,957.31 = 6,820.79 : x
  2. Step 2: Convert to fraction form
    19,303.32/28,957.31 = 6,820.79/x
  3. Step 3: Cross multiply
    19,303.32x = 28,957.31 × 6,820.79
  4. Step 4: Simplify right side
    19,303.32x = 197,511,730.47
  5. Step 5: Solve for x
    x = 197,511,730.47/19,303.32
  6. Step 6: Final answer
    x = 10,232.01

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1.5x scale

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.