Home / 19,279.91-26,606.82-10,782.35

Finding the Fourth Proportional to 19,279.91, 26,606.82 and 10,782.35

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Solution

The fourth proportional to 19,279.91, 26,606.82 and 10,782.35 is: 14,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.91 : 26,606.82 = 10,782.35 : x
  2. Step 2: Convert to fraction form
    19,279.91/26,606.82 = 10,782.35/x
  3. Step 3: Cross multiply
    19,279.91x = 26,606.82 × 10,782.35
  4. Step 4: Simplify right side
    19,279.91x = 286,884,012.37
  5. Step 5: Solve for x
    x = 286,884,012.37/19,279.91
  6. Step 6: Final answer
    x = 14,879.95

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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.