Home / 21,683.54-32,503.15-12,303.74

Finding the Fourth Proportional to 21,683.54, 32,503.15 and 12,303.74

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Solution

The fourth proportional to 21,683.54, 32,503.15 and 12,303.74 is: 18,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.54 : 32,503.15 = 12,303.74 : x
  2. Step 2: Convert to fraction form
    21,683.54/32,503.15 = 12,303.74/x
  3. Step 3: Cross multiply
    21,683.54x = 32,503.15 × 12,303.74
  4. Step 4: Simplify right side
    21,683.54x = 399,910,403.42
  5. Step 5: Solve for x
    x = 399,910,403.42/21,683.54
  6. Step 6: Final answer
    x = 18,443.04

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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.