Home / 15,176.58-20,946.35-11,585.66

Finding the Fourth Proportional to 15,176.58, 20,946.35 and 11,585.66

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Solution

The fourth proportional to 15,176.58, 20,946.35 and 11,585.66 is: 15,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.58 : 20,946.35 = 11,585.66 : x
  2. Step 2: Convert to fraction form
    15,176.58/20,946.35 = 11,585.66/x
  3. Step 3: Cross multiply
    15,176.58x = 20,946.35 × 11,585.66
  4. Step 4: Simplify right side
    15,176.58x = 242,677,126.68
  5. Step 5: Solve for x
    x = 242,677,126.68/15,176.58
  6. Step 6: Final answer
    x = 15,990.24

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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.