Home / 14,508.19-20,032.59-11,145.70

Finding the Fourth Proportional to 14,508.19, 20,032.59 and 11,145.70

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Solution

The fourth proportional to 14,508.19, 20,032.59 and 11,145.70 is: 15,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.19 : 20,032.59 = 11,145.70 : x
  2. Step 2: Convert to fraction form
    14,508.19/20,032.59 = 11,145.70/x
  3. Step 3: Cross multiply
    14,508.19x = 20,032.59 × 11,145.70
  4. Step 4: Simplify right side
    14,508.19x = 223,277,238.36
  5. Step 5: Solve for x
    x = 223,277,238.36/14,508.19
  6. Step 6: Final answer
    x = 15,389.74

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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.