Home / 14,753.39-20,346-10,985.81

Finding the Fourth Proportional to 14,753.39, 20,346 and 10,985.81

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Solution

The fourth proportional to 14,753.39, 20,346 and 10,985.81 is: 15,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.39 : 20,346 = 10,985.81 : x
  2. Step 2: Convert to fraction form
    14,753.39/20,346 = 10,985.81/x
  3. Step 3: Cross multiply
    14,753.39x = 20,346 × 10,985.81
  4. Step 4: Simplify right side
    14,753.39x = 223,517,290.26
  5. Step 5: Solve for x
    x = 223,517,290.26/14,753.39
  6. Step 6: Final answer
    x = 15,150.23

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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.