Home / 16,818.88-23,210.06-9,749.40

Finding the Fourth Proportional to 16,818.88, 23,210.06 and 9,749.40

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Solution

The fourth proportional to 16,818.88, 23,210.06 and 9,749.40 is: 13,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.88 : 23,210.06 = 9,749.40 : x
  2. Step 2: Convert to fraction form
    16,818.88/23,210.06 = 9,749.40/x
  3. Step 3: Cross multiply
    16,818.88x = 23,210.06 × 9,749.40
  4. Step 4: Simplify right side
    16,818.88x = 226,284,110.22
  5. Step 5: Solve for x
    x = 226,284,110.22/16,818.88
  6. Step 6: Final answer
    x = 13,454.18

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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.