Home / 15,294.60-21,135.56-13,025.58

Finding the Fourth Proportional to 15,294.60, 21,135.56 and 13,025.58

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Solution

The fourth proportional to 15,294.60, 21,135.56 and 13,025.58 is: 18,000.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.60 : 21,135.56 = 13,025.58 : x
  2. Step 2: Convert to fraction form
    15,294.60/21,135.56 = 13,025.58/x
  3. Step 3: Cross multiply
    15,294.60x = 21,135.56 × 13,025.58
  4. Step 4: Simplify right side
    15,294.60x = 275,302,927.62
  5. Step 5: Solve for x
    x = 275,302,927.62/15,294.60
  6. Step 6: Final answer
    x = 18,000.01

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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.