Home / 19,345.45-26,702.26-11,392.29

Finding the Fourth Proportional to 19,345.45, 26,702.26 and 11,392.29

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Solution

The fourth proportional to 19,345.45, 26,702.26 and 11,392.29 is: 15,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.45 : 26,702.26 = 11,392.29 : x
  2. Step 2: Convert to fraction form
    19,345.45/26,702.26 = 11,392.29/x
  3. Step 3: Cross multiply
    19,345.45x = 26,702.26 × 11,392.29
  4. Step 4: Simplify right side
    19,345.45x = 304,199,861.09
  5. Step 5: Solve for x
    x = 304,199,861.09/19,345.45
  6. Step 6: Final answer
    x = 15,724.62

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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.