Home / 11,325.09-16,988.96-5,477.50

Finding the Fourth Proportional to 11,325.09, 16,988.96 and 5,477.50

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Solution

The fourth proportional to 11,325.09, 16,988.96 and 5,477.50 is: 8,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.09 : 16,988.96 = 5,477.50 : x
  2. Step 2: Convert to fraction form
    11,325.09/16,988.96 = 5,477.50/x
  3. Step 3: Cross multiply
    11,325.09x = 16,988.96 × 5,477.50
  4. Step 4: Simplify right side
    11,325.09x = 93,057,028.40
  5. Step 5: Solve for x
    x = 93,057,028.40/11,325.09
  6. Step 6: Final answer
    x = 8,216.89

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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.