Home / 14,577.80-21,866.70-7,651.40

Finding the Fourth Proportional to 14,577.80, 21,866.70 and 7,651.40

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Solution

The fourth proportional to 14,577.80, 21,866.70 and 7,651.40 is: 11,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.80 : 21,866.70 = 7,651.40 : x
  2. Step 2: Convert to fraction form
    14,577.80/21,866.70 = 7,651.40/x
  3. Step 3: Cross multiply
    14,577.80x = 21,866.70 × 7,651.40
  4. Step 4: Simplify right side
    14,577.80x = 167,310,868.38
  5. Step 5: Solve for x
    x = 167,310,868.38/14,577.80
  6. Step 6: Final answer
    x = 11,477.10

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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.