Home / 15,767.07-21,750.98-9,805.74

Finding the Fourth Proportional to 15,767.07, 21,750.98 and 9,805.74

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Solution

The fourth proportional to 15,767.07, 21,750.98 and 9,805.74 is: 13,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,767.07 : 21,750.98 = 9,805.74 : x
  2. Step 2: Convert to fraction form
    15,767.07/21,750.98 = 9,805.74/x
  3. Step 3: Cross multiply
    15,767.07x = 21,750.98 × 9,805.74
  4. Step 4: Simplify right side
    15,767.07x = 213,284,405.60
  5. Step 5: Solve for x
    x = 213,284,405.60/15,767.07
  6. Step 6: Final answer
    x = 13,527.21

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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.