Home / 19,279.98-26,606.96-10,782.45

Finding the Fourth Proportional to 19,279.98, 26,606.96 and 10,782.45

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Solution

The fourth proportional to 19,279.98, 26,606.96 and 10,782.45 is: 14,880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.98 : 26,606.96 = 10,782.45 : x
  2. Step 2: Convert to fraction form
    19,279.98/26,606.96 = 10,782.45/x
  3. Step 3: Cross multiply
    19,279.98x = 26,606.96 × 10,782.45
  4. Step 4: Simplify right side
    19,279.98x = 286,888,161.94
  5. Step 5: Solve for x
    x = 286,888,161.94/19,279.98
  6. Step 6: Final answer
    x = 14,880.11

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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.