Home / 18,829.48-28,225.85-8,966.11

Finding the Fourth Proportional to 18,829.48, 28,225.85 and 8,966.11

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Solution

The fourth proportional to 18,829.48, 28,225.85 and 8,966.11 is: 13,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.48 : 28,225.85 = 8,966.11 : x
  2. Step 2: Convert to fraction form
    18,829.48/28,225.85 = 8,966.11/x
  3. Step 3: Cross multiply
    18,829.48x = 28,225.85 × 8,966.11
  4. Step 4: Simplify right side
    18,829.48x = 253,076,075.94
  5. Step 5: Solve for x
    x = 253,076,075.94/18,829.48
  6. Step 6: Final answer
    x = 13,440.42

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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.