Home / 12,908.07-17,814.87-7,602.84

Finding the Fourth Proportional to 12,908.07, 17,814.87 and 7,602.84

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Solution

The fourth proportional to 12,908.07, 17,814.87 and 7,602.84 is: 10,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.07 : 17,814.87 = 7,602.84 : x
  2. Step 2: Convert to fraction form
    12,908.07/17,814.87 = 7,602.84/x
  3. Step 3: Cross multiply
    12,908.07x = 17,814.87 × 7,602.84
  4. Step 4: Simplify right side
    12,908.07x = 135,443,606.23
  5. Step 5: Solve for x
    x = 135,443,606.23/12,908.07
  6. Step 6: Final answer
    x = 10,492.94

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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.