Home / 14,677.80-22,016.70-7,679.40

Finding the Fourth Proportional to 14,677.80, 22,016.70 and 7,679.40

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Solution

The fourth proportional to 14,677.80, 22,016.70 and 7,679.40 is: 11,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.80 : 22,016.70 = 7,679.40 : x
  2. Step 2: Convert to fraction form
    14,677.80/22,016.70 = 7,679.40/x
  3. Step 3: Cross multiply
    14,677.80x = 22,016.70 × 7,679.40
  4. Step 4: Simplify right side
    14,677.80x = 169,075,045.98
  5. Step 5: Solve for x
    x = 169,075,045.98/14,677.80
  6. Step 6: Final answer
    x = 11,519.10

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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.