Home / 11,609.69-16,021.07-6,574.40

Finding the Fourth Proportional to 11,609.69, 16,021.07 and 6,574.40

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Solution

The fourth proportional to 11,609.69, 16,021.07 and 6,574.40 is: 9,072.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.69 : 16,021.07 = 6,574.40 : x
  2. Step 2: Convert to fraction form
    11,609.69/16,021.07 = 6,574.40/x
  3. Step 3: Cross multiply
    11,609.69x = 16,021.07 × 6,574.40
  4. Step 4: Simplify right side
    11,609.69x = 105,328,809.63
  5. Step 5: Solve for x
    x = 105,328,809.63/11,609.69
  6. Step 6: Final answer
    x = 9,072.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.