Home / 19,283.46-28,936.08-8,895.21

Finding the Fourth Proportional to 19,283.46, 28,936.08 and 8,895.21

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Solution

The fourth proportional to 19,283.46, 28,936.08 and 8,895.21 is: 13,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,283.46 : 28,936.08 = 8,895.21 : x
  2. Step 2: Convert to fraction form
    19,283.46/28,936.08 = 8,895.21/x
  3. Step 3: Cross multiply
    19,283.46x = 28,936.08 × 8,895.21
  4. Step 4: Simplify right side
    19,283.46x = 257,392,508.18
  5. Step 5: Solve for x
    x = 257,392,508.18/19,283.46
  6. Step 6: Final answer
    x = 13,347.84

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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.