Home / 15,529.15-23,258.24-12,189.80

Finding the Fourth Proportional to 15,529.15, 23,258.24 and 12,189.80

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Solution

The fourth proportional to 15,529.15, 23,258.24 and 12,189.80 is: 18,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.15 : 23,258.24 = 12,189.80 : x
  2. Step 2: Convert to fraction form
    15,529.15/23,258.24 = 12,189.80/x
  3. Step 3: Cross multiply
    15,529.15x = 23,258.24 × 12,189.80
  4. Step 4: Simplify right side
    15,529.15x = 283,513,116.71
  5. Step 5: Solve for x
    x = 283,513,116.71/15,529.15
  6. Step 6: Final answer
    x = 18,256.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.