Home / 15,953.07-22,015.65-8,783.19

Finding the Fourth Proportional to 15,953.07, 22,015.65 and 8,783.19

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Solution

The fourth proportional to 15,953.07, 22,015.65 and 8,783.19 is: 12,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.07 : 22,015.65 = 8,783.19 : x
  2. Step 2: Convert to fraction form
    15,953.07/22,015.65 = 8,783.19/x
  3. Step 3: Cross multiply
    15,953.07x = 22,015.65 × 8,783.19
  4. Step 4: Simplify right side
    15,953.07x = 193,367,636.92
  5. Step 5: Solve for x
    x = 193,367,636.92/15,953.07
  6. Step 6: Final answer
    x = 12,121.03

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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.