Home / 13,303.36-18,358.32-7,714

Finding the Fourth Proportional to 13,303.36, 18,358.32 and 7,714

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Solution

The fourth proportional to 13,303.36, 18,358.32 and 7,714 is: 10,645.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.36 : 18,358.32 = 7,714 : x
  2. Step 2: Convert to fraction form
    13,303.36/18,358.32 = 7,714/x
  3. Step 3: Cross multiply
    13,303.36x = 18,358.32 × 7,714
  4. Step 4: Simplify right side
    13,303.36x = 141,616,080.48
  5. Step 5: Solve for x
    x = 141,616,080.48/13,303.36
  6. Step 6: Final answer
    x = 10,645.14

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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.