Home / 12,803.31-19,191.80-4,903.68

Finding the Fourth Proportional to 12,803.31, 19,191.80 and 4,903.68

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Solution

The fourth proportional to 12,803.31, 19,191.80 and 4,903.68 is: 7,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.31 : 19,191.80 = 4,903.68 : x
  2. Step 2: Convert to fraction form
    12,803.31/19,191.80 = 4,903.68/x
  3. Step 3: Cross multiply
    12,803.31x = 19,191.80 × 4,903.68
  4. Step 4: Simplify right side
    12,803.31x = 94,110,421.31
  5. Step 5: Solve for x
    x = 94,110,421.31/12,803.31
  6. Step 6: Final answer
    x = 7,350.48

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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.