Home / 12,703.94-17,534.35-8,455.18

Finding the Fourth Proportional to 12,703.94, 17,534.35 and 8,455.18

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Solution

The fourth proportional to 12,703.94, 17,534.35 and 8,455.18 is: 11,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.94 : 17,534.35 = 8,455.18 : x
  2. Step 2: Convert to fraction form
    12,703.94/17,534.35 = 8,455.18/x
  3. Step 3: Cross multiply
    12,703.94x = 17,534.35 × 8,455.18
  4. Step 4: Simplify right side
    12,703.94x = 148,256,037.48
  5. Step 5: Solve for x
    x = 148,256,037.48/12,703.94
  6. Step 6: Final answer
    x = 11,670.08

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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.