Home / 13,226.80-18,254.16-7,259.62

Finding the Fourth Proportional to 13,226.80, 18,254.16 and 7,259.62

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Solution

The fourth proportional to 13,226.80, 18,254.16 and 7,259.62 is: 10,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.80 : 18,254.16 = 7,259.62 : x
  2. Step 2: Convert to fraction form
    13,226.80/18,254.16 = 7,259.62/x
  3. Step 3: Cross multiply
    13,226.80x = 18,254.16 × 7,259.62
  4. Step 4: Simplify right side
    13,226.80x = 132,518,265.02
  5. Step 5: Solve for x
    x = 132,518,265.02/13,226.80
  6. Step 6: Final answer
    x = 10,018.92

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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.