Home / 19,151.67-26,407.52-13,484.61

Finding the Fourth Proportional to 19,151.67, 26,407.52 and 13,484.61

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Solution

The fourth proportional to 19,151.67, 26,407.52 and 13,484.61 is: 18,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.67 : 26,407.52 = 13,484.61 : x
  2. Step 2: Convert to fraction form
    19,151.67/26,407.52 = 13,484.61/x
  3. Step 3: Cross multiply
    19,151.67x = 26,407.52 × 13,484.61
  4. Step 4: Simplify right side
    19,151.67x = 356,095,091.41
  5. Step 5: Solve for x
    x = 356,095,091.41/19,151.67
  6. Step 6: Final answer
    x = 18,593.42

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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.