Home / 13,981.71-19,299.87-9,267.51

Finding the Fourth Proportional to 13,981.71, 19,299.87 and 9,267.51

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Solution

The fourth proportional to 13,981.71, 19,299.87 and 9,267.51 is: 12,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.71 : 19,299.87 = 9,267.51 : x
  2. Step 2: Convert to fraction form
    13,981.71/19,299.87 = 9,267.51/x
  3. Step 3: Cross multiply
    13,981.71x = 19,299.87 × 9,267.51
  4. Step 4: Simplify right side
    13,981.71x = 178,861,810.60
  5. Step 5: Solve for x
    x = 178,861,810.60/13,981.71
  6. Step 6: Final answer
    x = 12,792.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.