Home / 13,572.09-18,712.08-10,029.15

Finding the Fourth Proportional to 13,572.09, 18,712.08 and 10,029.15

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Solution

The fourth proportional to 13,572.09, 18,712.08 and 10,029.15 is: 13,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.09 : 18,712.08 = 10,029.15 : x
  2. Step 2: Convert to fraction form
    13,572.09/18,712.08 = 10,029.15/x
  3. Step 3: Cross multiply
    13,572.09x = 18,712.08 × 10,029.15
  4. Step 4: Simplify right side
    13,572.09x = 187,666,257.13
  5. Step 5: Solve for x
    x = 187,666,257.13/13,572.09
  6. Step 6: Final answer
    x = 13,827.37

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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.