Home / 18,895.14-26,078.90-12,510.46

Finding the Fourth Proportional to 18,895.14, 26,078.90 and 12,510.46

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Solution

The fourth proportional to 18,895.14, 26,078.90 and 12,510.46 is: 17,266.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.14 : 26,078.90 = 12,510.46 : x
  2. Step 2: Convert to fraction form
    18,895.14/26,078.90 = 12,510.46/x
  3. Step 3: Cross multiply
    18,895.14x = 26,078.90 × 12,510.46
  4. Step 4: Simplify right side
    18,895.14x = 326,258,972.74
  5. Step 5: Solve for x
    x = 326,258,972.74/18,895.14
  6. Step 6: Final answer
    x = 17,266.82

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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.