Home / 13,837.88-19,099.12-8,461.24

Finding the Fourth Proportional to 13,837.88, 19,099.12 and 8,461.24

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Solution

The fourth proportional to 13,837.88, 19,099.12 and 8,461.24 is: 11,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.88 : 19,099.12 = 8,461.24 : x
  2. Step 2: Convert to fraction form
    13,837.88/19,099.12 = 8,461.24/x
  3. Step 3: Cross multiply
    13,837.88x = 19,099.12 × 8,461.24
  4. Step 4: Simplify right side
    13,837.88x = 161,602,238.11
  5. Step 5: Solve for x
    x = 161,602,238.11/13,837.88
  6. Step 6: Final answer
    x = 11,678.25

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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.