Home / 16,894.80-23,313.96-9,818.64

Finding the Fourth Proportional to 16,894.80, 23,313.96 and 9,818.64

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Solution

The fourth proportional to 16,894.80, 23,313.96 and 9,818.64 is: 13,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,894.80 : 23,313.96 = 9,818.64 : x
  2. Step 2: Convert to fraction form
    16,894.80/23,313.96 = 9,818.64/x
  3. Step 3: Cross multiply
    16,894.80x = 23,313.96 × 9,818.64
  4. Step 4: Simplify right side
    16,894.80x = 228,911,380.21
  5. Step 5: Solve for x
    x = 228,911,380.21/16,894.80
  6. Step 6: Final answer
    x = 13,549.22

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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.