Home / 13,045.20-19,472.34-11,208.12

Finding the Fourth Proportional to 13,045.20, 19,472.34 and 11,208.12

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Solution

The fourth proportional to 13,045.20, 19,472.34 and 11,208.12 is: 16,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.20 : 19,472.34 = 11,208.12 : x
  2. Step 2: Convert to fraction form
    13,045.20/19,472.34 = 11,208.12/x
  3. Step 3: Cross multiply
    13,045.20x = 19,472.34 × 11,208.12
  4. Step 4: Simplify right side
    13,045.20x = 218,248,323.40
  5. Step 5: Solve for x
    x = 218,248,323.40/13,045.20
  6. Step 6: Final answer
    x = 16,730.16

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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.