Home / 18,270.24-25,188.48-14,275.68

Finding the Fourth Proportional to 18,270.24, 25,188.48 and 14,275.68

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Solution

The fourth proportional to 18,270.24, 25,188.48 and 14,275.68 is: 19,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.24 : 25,188.48 = 14,275.68 : x
  2. Step 2: Convert to fraction form
    18,270.24/25,188.48 = 14,275.68/x
  3. Step 3: Cross multiply
    18,270.24x = 25,188.48 × 14,275.68
  4. Step 4: Simplify right side
    18,270.24x = 359,582,680.17
  5. Step 5: Solve for x
    x = 359,582,680.17/18,270.24
  6. Step 6: Final answer
    x = 19,681.33

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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.