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Finding the Fourth Proportional to 11,043.50, 15,240.06 and 6,075.50

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Solution

The fourth proportional to 11,043.50, 15,240.06 and 6,075.50 is: 8,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.50 : 15,240.06 = 6,075.50 : x
  2. Step 2: Convert to fraction form
    11,043.50/15,240.06 = 6,075.50/x
  3. Step 3: Cross multiply
    11,043.50x = 15,240.06 × 6,075.50
  4. Step 4: Simplify right side
    11,043.50x = 92,590,984.53
  5. Step 5: Solve for x
    x = 92,590,984.53/11,043.50
  6. Step 6: Final answer
    x = 8,384.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.