Home / 13,260.10-19,885.71-5,360.58

Finding the Fourth Proportional to 13,260.10, 19,885.71 and 5,360.58

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Solution

The fourth proportional to 13,260.10, 19,885.71 and 5,360.58 is: 8,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.10 : 19,885.71 = 5,360.58 : x
  2. Step 2: Convert to fraction form
    13,260.10/19,885.71 = 5,360.58/x
  3. Step 3: Cross multiply
    13,260.10x = 19,885.71 × 5,360.58
  4. Step 4: Simplify right side
    13,260.10x = 106,598,939.31
  5. Step 5: Solve for x
    x = 106,598,939.31/13,260.10
  6. Step 6: Final answer
    x = 8,039.08

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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.