Home / 22,398.86-30,909.26-12,325.35

Finding the Fourth Proportional to 22,398.86, 30,909.26 and 12,325.35

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Solution

The fourth proportional to 22,398.86, 30,909.26 and 12,325.35 is: 17,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.86 : 30,909.26 = 12,325.35 : x
  2. Step 2: Convert to fraction form
    22,398.86/30,909.26 = 12,325.35/x
  3. Step 3: Cross multiply
    22,398.86x = 30,909.26 × 12,325.35
  4. Step 4: Simplify right side
    22,398.86x = 380,967,386.11
  5. Step 5: Solve for x
    x = 380,967,386.11/22,398.86
  6. Step 6: Final answer
    x = 17,008.34

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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.