Home / 15,455.76-21,329.33-8,741.04

Finding the Fourth Proportional to 15,455.76, 21,329.33 and 8,741.04

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Solution

The fourth proportional to 15,455.76, 21,329.33 and 8,741.04 is: 12,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.76 : 21,329.33 = 8,741.04 : x
  2. Step 2: Convert to fraction form
    15,455.76/21,329.33 = 8,741.04/x
  3. Step 3: Cross multiply
    15,455.76x = 21,329.33 × 8,741.04
  4. Step 4: Simplify right side
    15,455.76x = 186,440,483.00
  5. Step 5: Solve for x
    x = 186,440,483.00/15,455.76
  6. Step 6: Final answer
    x = 12,062.85

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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.