Home / 13,146.48-19,719.18-7,299.36

Finding the Fourth Proportional to 13,146.48, 19,719.18 and 7,299.36

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Solution

The fourth proportional to 13,146.48, 19,719.18 and 7,299.36 is: 10,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.48 : 19,719.18 = 7,299.36 : x
  2. Step 2: Convert to fraction form
    13,146.48/19,719.18 = 7,299.36/x
  3. Step 3: Cross multiply
    13,146.48x = 19,719.18 × 7,299.36
  4. Step 4: Simplify right side
    13,146.48x = 143,937,393.72
  5. Step 5: Solve for x
    x = 143,937,393.72/13,146.48
  6. Step 6: Final answer
    x = 10,948.74

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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.