Home / 17,895.76-26,854.53-11,312.86

Finding the Fourth Proportional to 17,895.76, 26,854.53 and 11,312.86

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Solution

The fourth proportional to 17,895.76, 26,854.53 and 11,312.86 is: 16,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,895.76 : 26,854.53 = 11,312.86 : x
  2. Step 2: Convert to fraction form
    17,895.76/26,854.53 = 11,312.86/x
  3. Step 3: Cross multiply
    17,895.76x = 26,854.53 × 11,312.86
  4. Step 4: Simplify right side
    17,895.76x = 303,801,538.26
  5. Step 5: Solve for x
    x = 303,801,538.26/17,895.76
  6. Step 6: Final answer
    x = 16,976.17

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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.