Home / 18,497.93-25,531.89-11,420.29

Finding the Fourth Proportional to 18,497.93, 25,531.89 and 11,420.29

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Solution

The fourth proportional to 18,497.93, 25,531.89 and 11,420.29 is: 15,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.93 : 25,531.89 = 11,420.29 : x
  2. Step 2: Convert to fraction form
    18,497.93/25,531.89 = 11,420.29/x
  3. Step 3: Cross multiply
    18,497.93x = 25,531.89 × 11,420.29
  4. Step 4: Simplify right side
    18,497.93x = 291,581,460.39
  5. Step 5: Solve for x
    x = 291,581,460.39/18,497.93
  6. Step 6: Final answer
    x = 15,762.92

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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.