Home / 19,303.27-28,957.16-6,820.70

Finding the Fourth Proportional to 19,303.27, 28,957.16 and 6,820.70

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Solution

The fourth proportional to 19,303.27, 28,957.16 and 6,820.70 is: 10,231.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.27 : 28,957.16 = 6,820.70 : x
  2. Step 2: Convert to fraction form
    19,303.27/28,957.16 = 6,820.70/x
  3. Step 3: Cross multiply
    19,303.27x = 28,957.16 × 6,820.70
  4. Step 4: Simplify right side
    19,303.27x = 197,507,973.48
  5. Step 5: Solve for x
    x = 197,507,973.48/19,303.27
  6. Step 6: Final answer
    x = 10,231.84

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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.