Home / 13,061.34-18,043.02-11,880.36

Finding the Fourth Proportional to 13,061.34, 18,043.02 and 11,880.36

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Solution

The fourth proportional to 13,061.34, 18,043.02 and 11,880.36 is: 16,411.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.34 : 18,043.02 = 11,880.36 : x
  2. Step 2: Convert to fraction form
    13,061.34/18,043.02 = 11,880.36/x
  3. Step 3: Cross multiply
    13,061.34x = 18,043.02 × 11,880.36
  4. Step 4: Simplify right side
    13,061.34x = 214,357,573.09
  5. Step 5: Solve for x
    x = 214,357,573.09/13,061.34
  6. Step 6: Final answer
    x = 16,411.61

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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.