Home / 14,583.39-20,109.16-9,859.47

Finding the Fourth Proportional to 14,583.39, 20,109.16 and 9,859.47

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Solution

The fourth proportional to 14,583.39, 20,109.16 and 9,859.47 is: 13,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,583.39 : 20,109.16 = 9,859.47 : x
  2. Step 2: Convert to fraction form
    14,583.39/20,109.16 = 9,859.47/x
  3. Step 3: Cross multiply
    14,583.39x = 20,109.16 × 9,859.47
  4. Step 4: Simplify right side
    14,583.39x = 198,265,659.75
  5. Step 5: Solve for x
    x = 198,265,659.75/14,583.39
  6. Step 6: Final answer
    x = 13,595.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.