Home / 22,430.85-30,954.17-12,360.23

Finding the Fourth Proportional to 22,430.85, 30,954.17 and 12,360.23

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Solution

The fourth proportional to 22,430.85, 30,954.17 and 12,360.23 is: 17,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.85 : 30,954.17 = 12,360.23 : x
  2. Step 2: Convert to fraction form
    22,430.85/30,954.17 = 12,360.23/x
  3. Step 3: Cross multiply
    22,430.85x = 30,954.17 × 12,360.23
  4. Step 4: Simplify right side
    22,430.85x = 382,600,444.09
  5. Step 5: Solve for x
    x = 382,600,444.09/22,430.85
  6. Step 6: Final answer
    x = 17,056.89

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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.