Home / 14,166.30-21,355.53-13,214.82

Finding the Fourth Proportional to 14,166.30, 21,355.53 and 13,214.82

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Solution

The fourth proportional to 14,166.30, 21,355.53 and 13,214.82 is: 19,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,166.30 : 21,355.53 = 13,214.82 : x
  2. Step 2: Convert to fraction form
    14,166.30/21,355.53 = 13,214.82/x
  3. Step 3: Cross multiply
    14,166.30x = 21,355.53 × 13,214.82
  4. Step 4: Simplify right side
    14,166.30x = 282,209,484.95
  5. Step 5: Solve for x
    x = 282,209,484.95/14,166.30
  6. Step 6: Final answer
    x = 19,921.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.