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Finding the Fourth Proportional to 11,670.58, 17,502.70 and 4,275.07

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Solution

The fourth proportional to 11,670.58, 17,502.70 and 4,275.07 is: 6,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.58 : 17,502.70 = 4,275.07 : x
  2. Step 2: Convert to fraction form
    11,670.58/17,502.70 = 4,275.07/x
  3. Step 3: Cross multiply
    11,670.58x = 17,502.70 × 4,275.07
  4. Step 4: Simplify right side
    11,670.58x = 74,825,267.69
  5. Step 5: Solve for x
    x = 74,825,267.69/11,670.58
  6. Step 6: Final answer
    x = 6,411.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.