Home / 21,502.92-29,674.12-12,071.52

Finding the Fourth Proportional to 21,502.92, 29,674.12 and 12,071.52

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Solution

The fourth proportional to 21,502.92, 29,674.12 and 12,071.52 is: 16,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,502.92 : 29,674.12 = 12,071.52 : x
  2. Step 2: Convert to fraction form
    21,502.92/29,674.12 = 12,071.52/x
  3. Step 3: Cross multiply
    21,502.92x = 29,674.12 × 12,071.52
  4. Step 4: Simplify right side
    21,502.92x = 358,211,733.06
  5. Step 5: Solve for x
    x = 358,211,733.06/21,502.92
  6. Step 6: Final answer
    x = 16,658.75

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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.