Home / 14,126.40-19,488.06-8,455.32

Finding the Fourth Proportional to 14,126.40, 19,488.06 and 8,455.32

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Solution

The fourth proportional to 14,126.40, 19,488.06 and 8,455.32 is: 11,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.40 : 19,488.06 = 8,455.32 : x
  2. Step 2: Convert to fraction form
    14,126.40/19,488.06 = 8,455.32/x
  3. Step 3: Cross multiply
    14,126.40x = 19,488.06 × 8,455.32
  4. Step 4: Simplify right side
    14,126.40x = 164,777,783.48
  5. Step 5: Solve for x
    x = 164,777,783.48/14,126.40
  6. Step 6: Final answer
    x = 11,664.53

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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.