Home / 13,870.64-19,136.04-8,833.52

Finding the Fourth Proportional to 13,870.64, 19,136.04 and 8,833.52

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Solution

The fourth proportional to 13,870.64, 19,136.04 and 8,833.52 is: 12,186.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870.64 : 19,136.04 = 8,833.52 : x
  2. Step 2: Convert to fraction form
    13,870.64/19,136.04 = 8,833.52/x
  3. Step 3: Cross multiply
    13,870.64x = 19,136.04 × 8,833.52
  4. Step 4: Simplify right side
    13,870.64x = 169,038,592.06
  5. Step 5: Solve for x
    x = 169,038,592.06/13,870.64
  6. Step 6: Final answer
    x = 12,186.79

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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.