Home / 21,407.20-32,113.53-8,263.33

Finding the Fourth Proportional to 21,407.20, 32,113.53 and 8,263.33

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Solution

The fourth proportional to 21,407.20, 32,113.53 and 8,263.33 is: 12,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,407.20 : 32,113.53 = 8,263.33 : x
  2. Step 2: Convert to fraction form
    21,407.20/32,113.53 = 8,263.33/x
  3. Step 3: Cross multiply
    21,407.20x = 32,113.53 × 8,263.33
  4. Step 4: Simplify right side
    21,407.20x = 265,364,615.57
  5. Step 5: Solve for x
    x = 265,364,615.57/21,407.20
  6. Step 6: Final answer
    x = 12,396.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.