Home / 13,226.77-18,253.47-7,258.66

Finding the Fourth Proportional to 13,226.77, 18,253.47 and 7,258.66

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Solution

The fourth proportional to 13,226.77, 18,253.47 and 7,258.66 is: 10,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.77 : 18,253.47 = 7,258.66 : x
  2. Step 2: Convert to fraction form
    13,226.77/18,253.47 = 7,258.66/x
  3. Step 3: Cross multiply
    13,226.77x = 18,253.47 × 7,258.66
  4. Step 4: Simplify right side
    13,226.77x = 132,495,714.14
  5. Step 5: Solve for x
    x = 132,495,714.14/13,226.77
  6. Step 6: Final answer
    x = 10,017.24

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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.