Home / 13,860.24-19,127.16-8,553.84

Finding the Fourth Proportional to 13,860.24, 19,127.16 and 8,553.84

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Solution

The fourth proportional to 13,860.24, 19,127.16 and 8,553.84 is: 11,804.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.24 : 19,127.16 = 8,553.84 : x
  2. Step 2: Convert to fraction form
    13,860.24/19,127.16 = 8,553.84/x
  3. Step 3: Cross multiply
    13,860.24x = 19,127.16 × 8,553.84
  4. Step 4: Simplify right side
    13,860.24x = 163,610,666.29
  5. Step 5: Solve for x
    x = 163,610,666.29/13,860.24
  6. Step 6: Final answer
    x = 11,804.32

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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.