Home / 30,214.98-45,315.61-11,488.37

Finding the Fourth Proportional to 30,214.98, 45,315.61 and 11,488.37

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Solution

The fourth proportional to 30,214.98, 45,315.61 and 11,488.37 is: 17,229.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.98 : 45,315.61 = 11,488.37 : x
  2. Step 2: Convert to fraction form
    30,214.98/45,315.61 = 11,488.37/x
  3. Step 3: Cross multiply
    30,214.98x = 45,315.61 × 11,488.37
  4. Step 4: Simplify right side
    30,214.98x = 520,602,239.16
  5. Step 5: Solve for x
    x = 520,602,239.16/30,214.98
  6. Step 6: Final answer
    x = 17,229.94

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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.