Home / 19,655.47-27,124.74-11,270.35

Finding the Fourth Proportional to 19,655.47, 27,124.74 and 11,270.35

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Solution

The fourth proportional to 19,655.47, 27,124.74 and 11,270.35 is: 15,553.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.47 : 27,124.74 = 11,270.35 : x
  2. Step 2: Convert to fraction form
    19,655.47/27,124.74 = 11,270.35/x
  3. Step 3: Cross multiply
    19,655.47x = 27,124.74 × 11,270.35
  4. Step 4: Simplify right side
    19,655.47x = 305,705,313.46
  5. Step 5: Solve for x
    x = 305,705,313.46/19,655.47
  6. Step 6: Final answer
    x = 15,553.19

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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.