Home / 15,364.91-23,039.63-8,955.55

Finding the Fourth Proportional to 15,364.91, 23,039.63 and 8,955.55

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Solution

The fourth proportional to 15,364.91, 23,039.63 and 8,955.55 is: 13,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.91 : 23,039.63 = 8,955.55 : x
  2. Step 2: Convert to fraction form
    15,364.91/23,039.63 = 8,955.55/x
  3. Step 3: Cross multiply
    15,364.91x = 23,039.63 × 8,955.55
  4. Step 4: Simplify right side
    15,364.91x = 206,332,609.63
  5. Step 5: Solve for x
    x = 206,332,609.63/15,364.91
  6. Step 6: Final answer
    x = 13,428.82

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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.