Home / 14,417.82-19,896.58-8,130.18

Finding the Fourth Proportional to 14,417.82, 19,896.58 and 8,130.18

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Solution

The fourth proportional to 14,417.82, 19,896.58 and 8,130.18 is: 11,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.82 : 19,896.58 = 8,130.18 : x
  2. Step 2: Convert to fraction form
    14,417.82/19,896.58 = 8,130.18/x
  3. Step 3: Cross multiply
    14,417.82x = 19,896.58 × 8,130.18
  4. Step 4: Simplify right side
    14,417.82x = 161,762,776.78
  5. Step 5: Solve for x
    x = 161,762,776.78/14,417.82
  6. Step 6: Final answer
    x = 11,219.64

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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.