Home / 14,075.07-21,107.40-4,210.98

Finding the Fourth Proportional to 14,075.07, 21,107.40 and 4,210.98

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Solution

The fourth proportional to 14,075.07, 21,107.40 and 4,210.98 is: 6,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.07 : 21,107.40 = 4,210.98 : x
  2. Step 2: Convert to fraction form
    14,075.07/21,107.40 = 4,210.98/x
  3. Step 3: Cross multiply
    14,075.07x = 21,107.40 × 4,210.98
  4. Step 4: Simplify right side
    14,075.07x = 88,882,839.25
  5. Step 5: Solve for x
    x = 88,882,839.25/14,075.07
  6. Step 6: Final answer
    x = 6,314.91

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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.