Home / 19,359.60-28,997.64-13,085.16

Finding the Fourth Proportional to 19,359.60, 28,997.64 and 13,085.16

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Solution

The fourth proportional to 19,359.60, 28,997.64 and 13,085.16 is: 19,599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.60 : 28,997.64 = 13,085.16 : x
  2. Step 2: Convert to fraction form
    19,359.60/28,997.64 = 13,085.16/x
  3. Step 3: Cross multiply
    19,359.60x = 28,997.64 × 13,085.16
  4. Step 4: Simplify right side
    19,359.60x = 379,438,759.02
  5. Step 5: Solve for x
    x = 379,438,759.02/19,359.60
  6. Step 6: Final answer
    x = 19,599.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.