Home / 12,593.28-17,374.32-7,875.84

Finding the Fourth Proportional to 12,593.28, 17,374.32 and 7,875.84

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Solution

The fourth proportional to 12,593.28, 17,374.32 and 7,875.84 is: 10,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.28 : 17,374.32 = 7,875.84 : x
  2. Step 2: Convert to fraction form
    12,593.28/17,374.32 = 7,875.84/x
  3. Step 3: Cross multiply
    12,593.28x = 17,374.32 × 7,875.84
  4. Step 4: Simplify right side
    12,593.28x = 136,837,364.43
  5. Step 5: Solve for x
    x = 136,837,364.43/12,593.28
  6. Step 6: Final answer
    x = 10,865.90

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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.