Home / 15,767.63-21,759.73-9,054.56

Finding the Fourth Proportional to 15,767.63, 21,759.73 and 9,054.56

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Solution

The fourth proportional to 15,767.63, 21,759.73 and 9,054.56 is: 12,495.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.63 : 21,759.73 = 9,054.56 : x
  2. Step 2: Convert to fraction form
    15,767.63/21,759.73 = 9,054.56/x
  3. Step 3: Cross multiply
    15,767.63x = 21,759.73 × 9,054.56
  4. Step 4: Simplify right side
    15,767.63x = 197,024,672.07
  5. Step 5: Solve for x
    x = 197,024,672.07/15,767.63
  6. Step 6: Final answer
    x = 12,495.52

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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.