Home / 13,325.10-19,968.21-7,483.38

Finding the Fourth Proportional to 13,325.10, 19,968.21 and 7,483.38

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Solution

The fourth proportional to 13,325.10, 19,968.21 and 7,483.38 is: 11,214.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.10 : 19,968.21 = 7,483.38 : x
  2. Step 2: Convert to fraction form
    13,325.10/19,968.21 = 7,483.38/x
  3. Step 3: Cross multiply
    13,325.10x = 19,968.21 × 7,483.38
  4. Step 4: Simplify right side
    13,325.10x = 149,429,703.35
  5. Step 5: Solve for x
    x = 149,429,703.35/13,325.10
  6. Step 6: Final answer
    x = 11,214.15

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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.