Home / 18,836.27-28,263.59-7,746.29

Finding the Fourth Proportional to 18,836.27, 28,263.59 and 7,746.29

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Solution

The fourth proportional to 18,836.27, 28,263.59 and 7,746.29 is: 11,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.27 : 28,263.59 = 7,746.29 : x
  2. Step 2: Convert to fraction form
    18,836.27/28,263.59 = 7,746.29/x
  3. Step 3: Cross multiply
    18,836.27x = 28,263.59 × 7,746.29
  4. Step 4: Simplify right side
    18,836.27x = 218,937,784.53
  5. Step 5: Solve for x
    x = 218,937,784.53/18,836.27
  6. Step 6: Final answer
    x = 11,623.21

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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.