Home / 14,007.74-20,954.19-12,776.18

Finding the Fourth Proportional to 14,007.74, 20,954.19 and 12,776.18

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Solution

The fourth proportional to 14,007.74, 20,954.19 and 12,776.18 is: 19,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.74 : 20,954.19 = 12,776.18 : x
  2. Step 2: Convert to fraction form
    14,007.74/20,954.19 = 12,776.18/x
  3. Step 3: Cross multiply
    14,007.74x = 20,954.19 × 12,776.18
  4. Step 4: Simplify right side
    14,007.74x = 267,714,564.20
  5. Step 5: Solve for x
    x = 267,714,564.20/14,007.74
  6. Step 6: Final answer
    x = 19,111.91

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1.5x scale

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.