Home / 13,261.60-19,894.56-4,497.28

Finding the Fourth Proportional to 13,261.60, 19,894.56 and 4,497.28

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Solution

The fourth proportional to 13,261.60, 19,894.56 and 4,497.28 is: 6,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.60 : 19,894.56 = 4,497.28 : x
  2. Step 2: Convert to fraction form
    13,261.60/19,894.56 = 4,497.28/x
  3. Step 3: Cross multiply
    13,261.60x = 19,894.56 × 4,497.28
  4. Step 4: Simplify right side
    13,261.60x = 89,471,406.80
  5. Step 5: Solve for x
    x = 89,471,406.80/13,261.60
  6. Step 6: Final answer
    x = 6,746.65

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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.