Home / 25,314.88-37,946.40-12,811.72

Finding the Fourth Proportional to 25,314.88, 37,946.40 and 12,811.72

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Solution

The fourth proportional to 25,314.88, 37,946.40 and 12,811.72 is: 19,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.88 : 37,946.40 = 12,811.72 : x
  2. Step 2: Convert to fraction form
    25,314.88/37,946.40 = 12,811.72/x
  3. Step 3: Cross multiply
    25,314.88x = 37,946.40 × 12,811.72
  4. Step 4: Simplify right side
    25,314.88x = 486,158,651.81
  5. Step 5: Solve for x
    x = 486,158,651.81/25,314.88
  6. Step 6: Final answer
    x = 19,204.46

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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.