Home / 15,814.95-21,824.93-8,741.22

Finding the Fourth Proportional to 15,814.95, 21,824.93 and 8,741.22

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Solution

The fourth proportional to 15,814.95, 21,824.93 and 8,741.22 is: 12,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,814.95 : 21,824.93 = 8,741.22 : x
  2. Step 2: Convert to fraction form
    15,814.95/21,824.93 = 8,741.22/x
  3. Step 3: Cross multiply
    15,814.95x = 21,824.93 × 8,741.22
  4. Step 4: Simplify right side
    15,814.95x = 190,776,514.61
  5. Step 5: Solve for x
    x = 190,776,514.61/15,814.95
  6. Step 6: Final answer
    x = 12,063.05

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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.