Home / 24,378.60-36,519.30-12,698.40

Finding the Fourth Proportional to 24,378.60, 36,519.30 and 12,698.40

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Solution

The fourth proportional to 24,378.60, 36,519.30 and 12,698.40 is: 19,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,378.60 : 36,519.30 = 12,698.40 : x
  2. Step 2: Convert to fraction form
    24,378.60/36,519.30 = 12,698.40/x
  3. Step 3: Cross multiply
    24,378.60x = 36,519.30 × 12,698.40
  4. Step 4: Simplify right side
    24,378.60x = 463,736,679.12
  5. Step 5: Solve for x
    x = 463,736,679.12/24,378.60
  6. Step 6: Final answer
    x = 19,022.29

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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.