Home / 14,045.70-21,075.12-6,147.19

Finding the Fourth Proportional to 14,045.70, 21,075.12 and 6,147.19

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Solution

The fourth proportional to 14,045.70, 21,075.12 and 6,147.19 is: 9,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.70 : 21,075.12 = 6,147.19 : x
  2. Step 2: Convert to fraction form
    14,045.70/21,075.12 = 6,147.19/x
  3. Step 3: Cross multiply
    14,045.70x = 21,075.12 × 6,147.19
  4. Step 4: Simplify right side
    14,045.70x = 129,552,766.91
  5. Step 5: Solve for x
    x = 129,552,766.91/14,045.70
  6. Step 6: Final answer
    x = 9,223.66

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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.