Home / 21,103.14-29,146.26-14,377.08

Finding the Fourth Proportional to 21,103.14, 29,146.26 and 14,377.08

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Solution

The fourth proportional to 21,103.14, 29,146.26 and 14,377.08 is: 19,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,103.14 : 29,146.26 = 14,377.08 : x
  2. Step 2: Convert to fraction form
    21,103.14/29,146.26 = 14,377.08/x
  3. Step 3: Cross multiply
    21,103.14x = 29,146.26 × 14,377.08
  4. Step 4: Simplify right side
    21,103.14x = 419,038,111.72
  5. Step 5: Solve for x
    x = 419,038,111.72/21,103.14
  6. Step 6: Final answer
    x = 19,856.67

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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.