Home / 22,390.36-30,897.47-12,317.17

Finding the Fourth Proportional to 22,390.36, 30,897.47 and 12,317.17

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Solution

The fourth proportional to 22,390.36, 30,897.47 and 12,317.17 is: 16,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.36 : 30,897.47 = 12,317.17 : x
  2. Step 2: Convert to fraction form
    22,390.36/30,897.47 = 12,317.17/x
  3. Step 3: Cross multiply
    22,390.36x = 30,897.47 × 12,317.17
  4. Step 4: Simplify right side
    22,390.36x = 380,569,390.56
  5. Step 5: Solve for x
    x = 380,569,390.56/22,390.36
  6. Step 6: Final answer
    x = 16,997.02

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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.