Home / 14,384.12-21,554.20-9,686.76

Finding the Fourth Proportional to 14,384.12, 21,554.20 and 9,686.76

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Solution

The fourth proportional to 14,384.12, 21,554.20 and 9,686.76 is: 14,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384.12 : 21,554.20 = 9,686.76 : x
  2. Step 2: Convert to fraction form
    14,384.12/21,554.20 = 9,686.76/x
  3. Step 3: Cross multiply
    14,384.12x = 21,554.20 × 9,686.76
  4. Step 4: Simplify right side
    14,384.12x = 208,790,362.39
  5. Step 5: Solve for x
    x = 208,790,362.39/14,384.12
  6. Step 6: Final answer
    x = 14,515.34

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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.