Home / 14,317.01-21,370.91-13,261.78

Finding the Fourth Proportional to 14,317.01, 21,370.91 and 13,261.78

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Solution

The fourth proportional to 14,317.01, 21,370.91 and 13,261.78 is: 19,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.01 : 21,370.91 = 13,261.78 : x
  2. Step 2: Convert to fraction form
    14,317.01/21,370.91 = 13,261.78/x
  3. Step 3: Cross multiply
    14,317.01x = 21,370.91 × 13,261.78
  4. Step 4: Simplify right side
    14,317.01x = 283,416,306.82
  5. Step 5: Solve for x
    x = 283,416,306.82/14,317.01
  6. Step 6: Final answer
    x = 19,795.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.