Home / 13,246.10-18,298.28-12,546.26

Finding the Fourth Proportional to 13,246.10, 18,298.28 and 12,546.26

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Solution

The fourth proportional to 13,246.10, 18,298.28 and 12,546.26 is: 17,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.10 : 18,298.28 = 12,546.26 : x
  2. Step 2: Convert to fraction form
    13,246.10/18,298.28 = 12,546.26/x
  3. Step 3: Cross multiply
    13,246.10x = 18,298.28 × 12,546.26
  4. Step 4: Simplify right side
    13,246.10x = 229,574,915.70
  5. Step 5: Solve for x
    x = 229,574,915.70/13,246.10
  6. Step 6: Final answer
    x = 17,331.51

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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.