Home / 19,440.72-26,834.76-13,480.29

Finding the Fourth Proportional to 19,440.72, 26,834.76 and 13,480.29

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Solution

The fourth proportional to 19,440.72, 26,834.76 and 13,480.29 is: 18,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.72 : 26,834.76 = 13,480.29 : x
  2. Step 2: Convert to fraction form
    19,440.72/26,834.76 = 13,480.29/x
  3. Step 3: Cross multiply
    19,440.72x = 26,834.76 × 13,480.29
  4. Step 4: Simplify right side
    19,440.72x = 361,740,346.88
  5. Step 5: Solve for x
    x = 361,740,346.88/19,440.72
  6. Step 6: Final answer
    x = 18,607.35

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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.