Home / 14,455.19-19,948.19-8,167.56

Finding the Fourth Proportional to 14,455.19, 19,948.19 and 8,167.56

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Solution

The fourth proportional to 14,455.19, 19,948.19 and 8,167.56 is: 11,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.19 : 19,948.19 = 8,167.56 : x
  2. Step 2: Convert to fraction form
    14,455.19/19,948.19 = 8,167.56/x
  3. Step 3: Cross multiply
    14,455.19x = 19,948.19 × 8,167.56
  4. Step 4: Simplify right side
    14,455.19x = 162,927,997.88
  5. Step 5: Solve for x
    x = 162,927,997.88/14,455.19
  6. Step 6: Final answer
    x = 11,271.25

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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.