Home / 13,065.30-19,583.55-7,226.10

Finding the Fourth Proportional to 13,065.30, 19,583.55 and 7,226.10

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Solution

The fourth proportional to 13,065.30, 19,583.55 and 7,226.10 is: 10,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.30 : 19,583.55 = 7,226.10 : x
  2. Step 2: Convert to fraction form
    13,065.30/19,583.55 = 7,226.10/x
  3. Step 3: Cross multiply
    13,065.30x = 19,583.55 × 7,226.10
  4. Step 4: Simplify right side
    13,065.30x = 141,512,690.66
  5. Step 5: Solve for x
    x = 141,512,690.66/13,065.30
  6. Step 6: Final answer
    x = 10,831.19

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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.