Home / 21,366.71-29,483.93-12,414.59

Finding the Fourth Proportional to 21,366.71, 29,483.93 and 12,414.59

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Solution

The fourth proportional to 21,366.71, 29,483.93 and 12,414.59 is: 17,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.71 : 29,483.93 = 12,414.59 : x
  2. Step 2: Convert to fraction form
    21,366.71/29,483.93 = 12,414.59/x
  3. Step 3: Cross multiply
    21,366.71x = 29,483.93 × 12,414.59
  4. Step 4: Simplify right side
    21,366.71x = 366,030,693.05
  5. Step 5: Solve for x
    x = 366,030,693.05/21,366.71
  6. Step 6: Final answer
    x = 17,130.89

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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.