Home / 13,056.60-19,587.86-4,291.59

Finding the Fourth Proportional to 13,056.60, 19,587.86 and 4,291.59

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Solution

The fourth proportional to 13,056.60, 19,587.86 and 4,291.59 is: 6,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.60 : 19,587.86 = 4,291.59 : x
  2. Step 2: Convert to fraction form
    13,056.60/19,587.86 = 4,291.59/x
  3. Step 3: Cross multiply
    13,056.60x = 19,587.86 × 4,291.59
  4. Step 4: Simplify right side
    13,056.60x = 84,063,042.64
  5. Step 5: Solve for x
    x = 84,063,042.64/13,056.60
  6. Step 6: Final answer
    x = 6,438.36

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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.