Home / 14,417.26-19,896.51-8,129.50

Finding the Fourth Proportional to 14,417.26, 19,896.51 and 8,129.50

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Solution

The fourth proportional to 14,417.26, 19,896.51 and 8,129.50 is: 11,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,417.26 : 19,896.51 = 8,129.50 : x
  2. Step 2: Convert to fraction form
    14,417.26/19,896.51 = 8,129.50/x
  3. Step 3: Cross multiply
    14,417.26x = 19,896.51 × 8,129.50
  4. Step 4: Simplify right side
    14,417.26x = 161,748,678.05
  5. Step 5: Solve for x
    x = 161,748,678.05/14,417.26
  6. Step 6: Final answer
    x = 11,219.10

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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.