Home / 17,440.74-26,142.48-12,685.50

Finding the Fourth Proportional to 17,440.74, 26,142.48 and 12,685.50

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Solution

The fourth proportional to 17,440.74, 26,142.48 and 12,685.50 is: 19,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,440.74 : 26,142.48 = 12,685.50 : x
  2. Step 2: Convert to fraction form
    17,440.74/26,142.48 = 12,685.50/x
  3. Step 3: Cross multiply
    17,440.74x = 26,142.48 × 12,685.50
  4. Step 4: Simplify right side
    17,440.74x = 331,630,430.04
  5. Step 5: Solve for x
    x = 331,630,430.04/17,440.74
  6. Step 6: Final answer
    x = 19,014.70

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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.