Home / 13,708.19-20,559.13-4,346.47

Finding the Fourth Proportional to 13,708.19, 20,559.13 and 4,346.47

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Solution

The fourth proportional to 13,708.19, 20,559.13 and 4,346.47 is: 6,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.19 : 20,559.13 = 4,346.47 : x
  2. Step 2: Convert to fraction form
    13,708.19/20,559.13 = 4,346.47/x
  3. Step 3: Cross multiply
    13,708.19x = 20,559.13 × 4,346.47
  4. Step 4: Simplify right side
    13,708.19x = 89,359,641.77
  5. Step 5: Solve for x
    x = 89,359,641.77/13,708.19
  6. Step 6: Final answer
    x = 6,518.70

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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.