Home / 13,767.36-19,000.48-7,718.18

Finding the Fourth Proportional to 13,767.36, 19,000.48 and 7,718.18

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Solution

The fourth proportional to 13,767.36, 19,000.48 and 7,718.18 is: 10,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.36 : 19,000.48 = 7,718.18 : x
  2. Step 2: Convert to fraction form
    13,767.36/19,000.48 = 7,718.18/x
  3. Step 3: Cross multiply
    13,767.36x = 19,000.48 × 7,718.18
  4. Step 4: Simplify right side
    13,767.36x = 146,649,152.93
  5. Step 5: Solve for x
    x = 146,649,152.93/13,767.36
  6. Step 6: Final answer
    x = 10,651.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.