Home / 18,718.47-25,828.43-11,060.67

Finding the Fourth Proportional to 18,718.47, 25,828.43 and 11,060.67

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Solution

The fourth proportional to 18,718.47, 25,828.43 and 11,060.67 is: 15,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718.47 : 25,828.43 = 11,060.67 : x
  2. Step 2: Convert to fraction form
    18,718.47/25,828.43 = 11,060.67/x
  3. Step 3: Cross multiply
    18,718.47x = 25,828.43 × 11,060.67
  4. Step 4: Simplify right side
    18,718.47x = 285,679,893.02
  5. Step 5: Solve for x
    x = 285,679,893.02/18,718.47
  6. Step 6: Final answer
    x = 15,261.93

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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.