Home / 12,902.10-19,299.15-11,595.30

Finding the Fourth Proportional to 12,902.10, 19,299.15 and 11,595.30

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Solution

The fourth proportional to 12,902.10, 19,299.15 and 11,595.30 is: 17,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,902.10 : 19,299.15 = 11,595.30 : x
  2. Step 2: Convert to fraction form
    12,902.10/19,299.15 = 11,595.30/x
  3. Step 3: Cross multiply
    12,902.10x = 19,299.15 × 11,595.30
  4. Step 4: Simplify right side
    12,902.10x = 223,779,434.00
  5. Step 5: Solve for x
    x = 223,779,434.00/12,902.10
  6. Step 6: Final answer
    x = 17,344.42

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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.