Home / 13,018.56-19,488.96-11,955.84

Finding the Fourth Proportional to 13,018.56, 19,488.96 and 11,955.84

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Solution

The fourth proportional to 13,018.56, 19,488.96 and 11,955.84 is: 17,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.56 : 19,488.96 = 11,955.84 : x
  2. Step 2: Convert to fraction form
    13,018.56/19,488.96 = 11,955.84/x
  3. Step 3: Cross multiply
    13,018.56x = 19,488.96 × 11,955.84
  4. Step 4: Simplify right side
    13,018.56x = 233,006,887.53
  5. Step 5: Solve for x
    x = 233,006,887.53/13,018.56
  6. Step 6: Final answer
    x = 17,898.05

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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.