Home / 22,102.81-30,494.34-12,541.64

Finding the Fourth Proportional to 22,102.81, 30,494.34 and 12,541.64

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Solution

The fourth proportional to 22,102.81, 30,494.34 and 12,541.64 is: 17,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.81 : 30,494.34 = 12,541.64 : x
  2. Step 2: Convert to fraction form
    22,102.81/30,494.34 = 12,541.64/x
  3. Step 3: Cross multiply
    22,102.81x = 30,494.34 × 12,541.64
  4. Step 4: Simplify right side
    22,102.81x = 382,448,881.85
  5. Step 5: Solve for x
    x = 382,448,881.85/22,102.81
  6. Step 6: Final answer
    x = 17,303.18

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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.