Home / 13,019.13-19,516.95-11,057.31

Finding the Fourth Proportional to 13,019.13, 19,516.95 and 11,057.31

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Solution

The fourth proportional to 13,019.13, 19,516.95 and 11,057.31 is: 16,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.13 : 19,516.95 = 11,057.31 : x
  2. Step 2: Convert to fraction form
    13,019.13/19,516.95 = 11,057.31/x
  3. Step 3: Cross multiply
    13,019.13x = 19,516.95 × 11,057.31
  4. Step 4: Simplify right side
    13,019.13x = 215,804,966.40
  5. Step 5: Solve for x
    x = 215,804,966.40/13,019.13
  6. Step 6: Final answer
    x = 16,575.99

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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.