Home / 21,693.83-32,559.60-12,352.64

Finding the Fourth Proportional to 21,693.83, 32,559.60 and 12,352.64

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Solution

The fourth proportional to 21,693.83, 32,559.60 and 12,352.64 is: 18,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.83 : 32,559.60 = 12,352.64 : x
  2. Step 2: Convert to fraction form
    21,693.83/32,559.60 = 12,352.64/x
  3. Step 3: Cross multiply
    21,693.83x = 32,559.60 × 12,352.64
  4. Step 4: Simplify right side
    21,693.83x = 402,196,900.87
  5. Step 5: Solve for x
    x = 402,196,900.87/21,693.83
  6. Step 6: Final answer
    x = 18,539.70

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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.