Home / 16,421.60-24,636.30-5,328.32

Finding the Fourth Proportional to 16,421.60, 24,636.30 and 5,328.32

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Solution

The fourth proportional to 16,421.60, 24,636.30 and 5,328.32 is: 7,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.60 : 24,636.30 = 5,328.32 : x
  2. Step 2: Convert to fraction form
    16,421.60/24,636.30 = 5,328.32/x
  3. Step 3: Cross multiply
    16,421.60x = 24,636.30 × 5,328.32
  4. Step 4: Simplify right side
    16,421.60x = 131,270,090.02
  5. Step 5: Solve for x
    x = 131,270,090.02/16,421.60
  6. Step 6: Final answer
    x = 7,993.75

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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.