Home / 15,308.53-21,125.61-8,594.00

Finding the Fourth Proportional to 15,308.53, 21,125.61 and 8,594.00

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Solution

The fourth proportional to 15,308.53, 21,125.61 and 8,594.00 is: 11,859.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.53 : 21,125.61 = 8,594.00 : x
  2. Step 2: Convert to fraction form
    15,308.53/21,125.61 = 8,594.00/x
  3. Step 3: Cross multiply
    15,308.53x = 21,125.61 × 8,594.00
  4. Step 4: Simplify right side
    15,308.53x = 181,553,465.93
  5. Step 5: Solve for x
    x = 181,553,465.93/15,308.53
  6. Step 6: Final answer
    x = 11,859.63

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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.