Home / 13,064.20-19,601.70-7,219.24

Finding the Fourth Proportional to 13,064.20, 19,601.70 and 7,219.24

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Solution

The fourth proportional to 13,064.20, 19,601.70 and 7,219.24 is: 10,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.20 : 19,601.70 = 7,219.24 : x
  2. Step 2: Convert to fraction form
    13,064.20/19,601.70 = 7,219.24/x
  3. Step 3: Cross multiply
    13,064.20x = 19,601.70 × 7,219.24
  4. Step 4: Simplify right side
    13,064.20x = 141,509,376.71
  5. Step 5: Solve for x
    x = 141,509,376.71/13,064.20
  6. Step 6: Final answer
    x = 10,831.84

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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.