Home / 10,454.34-15,686.25-5,194.59

Finding the Fourth Proportional to 10,454.34, 15,686.25 and 5,194.59

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Solution

The fourth proportional to 10,454.34, 15,686.25 and 5,194.59 is: 7,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,454.34 : 15,686.25 = 5,194.59 : x
  2. Step 2: Convert to fraction form
    10,454.34/15,686.25 = 5,194.59/x
  3. Step 3: Cross multiply
    10,454.34x = 15,686.25 × 5,194.59
  4. Step 4: Simplify right side
    10,454.34x = 81,483,637.39
  5. Step 5: Solve for x
    x = 81,483,637.39/10,454.34
  6. Step 6: Final answer
    x = 7,794.24

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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.