Home / 19,148.68-26,421.26-11,189.35

Finding the Fourth Proportional to 19,148.68, 26,421.26 and 11,189.35

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Solution

The fourth proportional to 19,148.68, 26,421.26 and 11,189.35 is: 15,439.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.68 : 26,421.26 = 11,189.35 : x
  2. Step 2: Convert to fraction form
    19,148.68/26,421.26 = 11,189.35/x
  3. Step 3: Cross multiply
    19,148.68x = 26,421.26 × 11,189.35
  4. Step 4: Simplify right side
    19,148.68x = 295,636,603.58
  5. Step 5: Solve for x
    x = 295,636,603.58/19,148.68
  6. Step 6: Final answer
    x = 15,439.01

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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.