Home / 14,236.16-19,622.40-9,518.72

Finding the Fourth Proportional to 14,236.16, 19,622.40 and 9,518.72

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Solution

The fourth proportional to 14,236.16, 19,622.40 and 9,518.72 is: 13,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.16 : 19,622.40 = 9,518.72 : x
  2. Step 2: Convert to fraction form
    14,236.16/19,622.40 = 9,518.72/x
  3. Step 3: Cross multiply
    14,236.16x = 19,622.40 × 9,518.72
  4. Step 4: Simplify right side
    14,236.16x = 186,780,131.33
  5. Step 5: Solve for x
    x = 186,780,131.33/14,236.16
  6. Step 6: Final answer
    x = 13,120.12

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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.