Home / 14,409.80-21,604.20-9,718.16

Finding the Fourth Proportional to 14,409.80, 21,604.20 and 9,718.16

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Solution

The fourth proportional to 14,409.80, 21,604.20 and 9,718.16 is: 14,570.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.80 : 21,604.20 = 9,718.16 : x
  2. Step 2: Convert to fraction form
    14,409.80/21,604.20 = 9,718.16/x
  3. Step 3: Cross multiply
    14,409.80x = 21,604.20 × 9,718.16
  4. Step 4: Simplify right side
    14,409.80x = 209,953,072.27
  5. Step 5: Solve for x
    x = 209,953,072.27/14,409.80
  6. Step 6: Final answer
    x = 14,570.16

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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.