Home / 22,393.53-30,903.08-12,322.67

Finding the Fourth Proportional to 22,393.53, 30,903.08 and 12,322.67

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Solution

The fourth proportional to 22,393.53, 30,903.08 and 12,322.67 is: 17,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,393.53 : 30,903.08 = 12,322.67 : x
  2. Step 2: Convert to fraction form
    22,393.53/30,903.08 = 12,322.67/x
  3. Step 3: Cross multiply
    22,393.53x = 30,903.08 × 12,322.67
  4. Step 4: Simplify right side
    22,393.53x = 380,808,240.69
  5. Step 5: Solve for x
    x = 380,808,240.69/22,393.53
  6. Step 6: Final answer
    x = 17,005.28

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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.