Home / 14,810.40-20,440.44-9,071.28

Finding the Fourth Proportional to 14,810.40, 20,440.44 and 9,071.28

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Solution

The fourth proportional to 14,810.40, 20,440.44 and 9,071.28 is: 12,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.40 : 20,440.44 = 9,071.28 : x
  2. Step 2: Convert to fraction form
    14,810.40/20,440.44 = 9,071.28/x
  3. Step 3: Cross multiply
    14,810.40x = 20,440.44 × 9,071.28
  4. Step 4: Simplify right side
    14,810.40x = 185,420,954.56
  5. Step 5: Solve for x
    x = 185,420,954.56/14,810.40
  6. Step 6: Final answer
    x = 12,519.65

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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.