Home / 14,075.78-21,124.04-6,680.26

Finding the Fourth Proportional to 14,075.78, 21,124.04 and 6,680.26

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Solution

The fourth proportional to 14,075.78, 21,124.04 and 6,680.26 is: 10,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.78 : 21,124.04 = 6,680.26 : x
  2. Step 2: Convert to fraction form
    14,075.78/21,124.04 = 6,680.26/x
  3. Step 3: Cross multiply
    14,075.78x = 21,124.04 × 6,680.26
  4. Step 4: Simplify right side
    14,075.78x = 141,114,079.45
  5. Step 5: Solve for x
    x = 141,114,079.45/14,075.78
  6. Step 6: Final answer
    x = 10,025.31

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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.