Home / 22,367.47-30,864.63-13,415.35

Finding the Fourth Proportional to 22,367.47, 30,864.63 and 13,415.35

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Solution

The fourth proportional to 22,367.47, 30,864.63 and 13,415.35 is: 18,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,367.47 : 30,864.63 = 13,415.35 : x
  2. Step 2: Convert to fraction form
    22,367.47/30,864.63 = 13,415.35/x
  3. Step 3: Cross multiply
    22,367.47x = 30,864.63 × 13,415.35
  4. Step 4: Simplify right side
    22,367.47x = 414,059,814.07
  5. Step 5: Solve for x
    x = 414,059,814.07/22,367.47
  6. Step 6: Final answer
    x = 18,511.70

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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.