Home / 13,502.30-20,150.34-12,026.08

Finding the Fourth Proportional to 13,502.30, 20,150.34 and 12,026.08

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Solution

The fourth proportional to 13,502.30, 20,150.34 and 12,026.08 is: 17,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.30 : 20,150.34 = 12,026.08 : x
  2. Step 2: Convert to fraction form
    13,502.30/20,150.34 = 12,026.08/x
  3. Step 3: Cross multiply
    13,502.30x = 20,150.34 × 12,026.08
  4. Step 4: Simplify right side
    13,502.30x = 242,329,550.49
  5. Step 5: Solve for x
    x = 242,329,550.49/13,502.30
  6. Step 6: Final answer
    x = 17,947.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.