Home / 13,040.70-19,552.95-7,491.30

Finding the Fourth Proportional to 13,040.70, 19,552.95 and 7,491.30

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Solution

The fourth proportional to 13,040.70, 19,552.95 and 7,491.30 is: 11,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.70 : 19,552.95 = 7,491.30 : x
  2. Step 2: Convert to fraction form
    13,040.70/19,552.95 = 7,491.30/x
  3. Step 3: Cross multiply
    13,040.70x = 19,552.95 × 7,491.30
  4. Step 4: Simplify right side
    13,040.70x = 146,477,014.34
  5. Step 5: Solve for x
    x = 146,477,014.34/13,040.70
  6. Step 6: Final answer
    x = 11,232.30

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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.