Home / 13,346.71-20,020.97-4,587.77

Finding the Fourth Proportional to 13,346.71, 20,020.97 and 4,587.77

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Solution

The fourth proportional to 13,346.71, 20,020.97 and 4,587.77 is: 6,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.71 : 20,020.97 = 4,587.77 : x
  2. Step 2: Convert to fraction form
    13,346.71/20,020.97 = 4,587.77/x
  3. Step 3: Cross multiply
    13,346.71x = 20,020.97 × 4,587.77
  4. Step 4: Simplify right side
    13,346.71x = 91,851,667.06
  5. Step 5: Solve for x
    x = 91,851,667.06/13,346.71
  6. Step 6: Final answer
    x = 6,881.97

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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.