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Finding the Fourth Proportional to 12,675.43, 17,492.97 and 7,010.05

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Solution

The fourth proportional to 12,675.43, 17,492.97 and 7,010.05 is: 9,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.43 : 17,492.97 = 7,010.05 : x
  2. Step 2: Convert to fraction form
    12,675.43/17,492.97 = 7,010.05/x
  3. Step 3: Cross multiply
    12,675.43x = 17,492.97 × 7,010.05
  4. Step 4: Simplify right side
    12,675.43x = 122,626,594.35
  5. Step 5: Solve for x
    x = 122,626,594.35/12,675.43
  6. Step 6: Final answer
    x = 9,674.35

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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.