Home / 10,852.09-14,984.38-8,330.21

Finding the Fourth Proportional to 10,852.09, 14,984.38 and 8,330.21

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Solution

The fourth proportional to 10,852.09, 14,984.38 and 8,330.21 is: 11,502.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,852.09 : 14,984.38 = 8,330.21 : x
  2. Step 2: Convert to fraction form
    10,852.09/14,984.38 = 8,330.21/x
  3. Step 3: Cross multiply
    10,852.09x = 14,984.38 × 8,330.21
  4. Step 4: Simplify right side
    10,852.09x = 124,823,032.12
  5. Step 5: Solve for x
    x = 124,823,032.12/10,852.09
  6. Step 6: Final answer
    x = 11,502.21

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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.