Home / 12,935.36-17,852.44-7,630.68

Finding the Fourth Proportional to 12,935.36, 17,852.44 and 7,630.68

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Solution

The fourth proportional to 12,935.36, 17,852.44 and 7,630.68 is: 10,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.36 : 17,852.44 = 7,630.68 : x
  2. Step 2: Convert to fraction form
    12,935.36/17,852.44 = 7,630.68/x
  3. Step 3: Cross multiply
    12,935.36x = 17,852.44 × 7,630.68
  4. Step 4: Simplify right side
    12,935.36x = 136,226,256.86
  5. Step 5: Solve for x
    x = 136,226,256.86/12,935.36
  6. Step 6: Final answer
    x = 10,531.31

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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.