Home / 15,377.99-21,225.08-10,069.73

Finding the Fourth Proportional to 15,377.99, 21,225.08 and 10,069.73

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Solution

The fourth proportional to 15,377.99, 21,225.08 and 10,069.73 is: 13,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377.99 : 21,225.08 = 10,069.73 : x
  2. Step 2: Convert to fraction form
    15,377.99/21,225.08 = 10,069.73/x
  3. Step 3: Cross multiply
    15,377.99x = 21,225.08 × 10,069.73
  4. Step 4: Simplify right side
    15,377.99x = 213,730,668.35
  5. Step 5: Solve for x
    x = 213,730,668.35/15,377.99
  6. Step 6: Final answer
    x = 13,898.48

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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.