Home / 15,370.86-21,197.79-10,063.74

Finding the Fourth Proportional to 15,370.86, 21,197.79 and 10,063.74

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Solution

The fourth proportional to 15,370.86, 21,197.79 and 10,063.74 is: 13,878.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.86 : 21,197.79 = 10,063.74 : x
  2. Step 2: Convert to fraction form
    15,370.86/21,197.79 = 10,063.74/x
  3. Step 3: Cross multiply
    15,370.86x = 21,197.79 × 10,063.74
  4. Step 4: Simplify right side
    15,370.86x = 213,329,047.13
  5. Step 5: Solve for x
    x = 213,329,047.13/15,370.86
  6. Step 6: Final answer
    x = 13,878.80

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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.