Home / 14,518.41-20,041.52-9,809.07

Finding the Fourth Proportional to 14,518.41, 20,041.52 and 9,809.07

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Solution

The fourth proportional to 14,518.41, 20,041.52 and 9,809.07 is: 13,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.41 : 20,041.52 = 9,809.07 : x
  2. Step 2: Convert to fraction form
    14,518.41/20,041.52 = 9,809.07/x
  3. Step 3: Cross multiply
    14,518.41x = 20,041.52 × 9,809.07
  4. Step 4: Simplify right side
    14,518.41x = 196,588,672.59
  5. Step 5: Solve for x
    x = 196,588,672.59/14,518.41
  6. Step 6: Final answer
    x = 13,540.65

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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.