Home / 14,116.19-19,480.20-7,742.64

Finding the Fourth Proportional to 14,116.19, 19,480.20 and 7,742.64

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Solution

The fourth proportional to 14,116.19, 19,480.20 and 7,742.64 is: 10,684.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.19 : 19,480.20 = 7,742.64 : x
  2. Step 2: Convert to fraction form
    14,116.19/19,480.20 = 7,742.64/x
  3. Step 3: Cross multiply
    14,116.19x = 19,480.20 × 7,742.64
  4. Step 4: Simplify right side
    14,116.19x = 150,828,248.78
  5. Step 5: Solve for x
    x = 150,828,248.78/14,116.19
  6. Step 6: Final answer
    x = 10,684.77

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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.