Home / 30,872.04-46,298.40-11,148

Finding the Fourth Proportional to 30,872.04, 46,298.40 and 11,148

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Solution

The fourth proportional to 30,872.04, 46,298.40 and 11,148 is: 16,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872.04 : 46,298.40 = 11,148 : x
  2. Step 2: Convert to fraction form
    30,872.04/46,298.40 = 11,148/x
  3. Step 3: Cross multiply
    30,872.04x = 46,298.40 × 11,148
  4. Step 4: Simplify right side
    30,872.04x = 516,134,563.20
  5. Step 5: Solve for x
    x = 516,134,563.20/30,872.04
  6. Step 6: Final answer
    x = 16,718.51

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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.