Home / 14,537.40-21,755.70-8,698.20

Finding the Fourth Proportional to 14,537.40, 21,755.70 and 8,698.20

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Solution

The fourth proportional to 14,537.40, 21,755.70 and 8,698.20 is: 13,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537.40 : 21,755.70 = 8,698.20 : x
  2. Step 2: Convert to fraction form
    14,537.40/21,755.70 = 8,698.20/x
  3. Step 3: Cross multiply
    14,537.40x = 21,755.70 × 8,698.20
  4. Step 4: Simplify right side
    14,537.40x = 189,235,429.74
  5. Step 5: Solve for x
    x = 189,235,429.74/14,537.40
  6. Step 6: Final answer
    x = 13,017.14

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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.