Home / 13,026.75-19,495.67-8,280.51

Finding the Fourth Proportional to 13,026.75, 19,495.67 and 8,280.51

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Solution

The fourth proportional to 13,026.75, 19,495.67 and 8,280.51 is: 12,392.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.75 : 19,495.67 = 8,280.51 : x
  2. Step 2: Convert to fraction form
    13,026.75/19,495.67 = 8,280.51/x
  3. Step 3: Cross multiply
    13,026.75x = 19,495.67 × 8,280.51
  4. Step 4: Simplify right side
    13,026.75x = 161,434,048.99
  5. Step 5: Solve for x
    x = 161,434,048.99/13,026.75
  6. Step 6: Final answer
    x = 12,392.50

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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.