Home / 21,293.94-29,385.60-12,346.62

Finding the Fourth Proportional to 21,293.94, 29,385.60 and 12,346.62

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Solution

The fourth proportional to 21,293.94, 29,385.60 and 12,346.62 is: 17,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293.94 : 29,385.60 = 12,346.62 : x
  2. Step 2: Convert to fraction form
    21,293.94/29,385.60 = 12,346.62/x
  3. Step 3: Cross multiply
    21,293.94x = 29,385.60 × 12,346.62
  4. Step 4: Simplify right side
    21,293.94x = 362,812,836.67
  5. Step 5: Solve for x
    x = 362,812,836.67/21,293.94
  6. Step 6: Final answer
    x = 17,038.31

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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.