Home / 14,047.84-21,075.36-4,187.12

Finding the Fourth Proportional to 14,047.84, 21,075.36 and 4,187.12

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Solution

The fourth proportional to 14,047.84, 21,075.36 and 4,187.12 is: 6,281.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.84 : 21,075.36 = 4,187.12 : x
  2. Step 2: Convert to fraction form
    14,047.84/21,075.36 = 4,187.12/x
  3. Step 3: Cross multiply
    14,047.84x = 21,075.36 × 4,187.12
  4. Step 4: Simplify right side
    14,047.84x = 88,245,061.36
  5. Step 5: Solve for x
    x = 88,245,061.36/14,047.84
  6. Step 6: Final answer
    x = 6,281.75

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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.