Home / 22,430.35-30,953.48-12,359.72

Finding the Fourth Proportional to 22,430.35, 30,953.48 and 12,359.72

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Solution

The fourth proportional to 22,430.35, 30,953.48 and 12,359.72 is: 17,056.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.35 : 30,953.48 = 12,359.72 : x
  2. Step 2: Convert to fraction form
    22,430.35/30,953.48 = 12,359.72/x
  3. Step 3: Cross multiply
    22,430.35x = 30,953.48 × 12,359.72
  4. Step 4: Simplify right side
    22,430.35x = 382,576,361.41
  5. Step 5: Solve for x
    x = 382,576,361.41/22,430.35
  6. Step 6: Final answer
    x = 17,056.19

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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.