Home / 14,406.90-21,605.40-7,006.62

Finding the Fourth Proportional to 14,406.90, 21,605.40 and 7,006.62

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Solution

The fourth proportional to 14,406.90, 21,605.40 and 7,006.62 is: 10,507.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,406.90 : 21,605.40 = 7,006.62 : x
  2. Step 2: Convert to fraction form
    14,406.90/21,605.40 = 7,006.62/x
  3. Step 3: Cross multiply
    14,406.90x = 21,605.40 × 7,006.62
  4. Step 4: Simplify right side
    14,406.90x = 151,380,827.75
  5. Step 5: Solve for x
    x = 151,380,827.75/14,406.90
  6. Step 6: Final answer
    x = 10,507.52

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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.