Home / 18,613.36-25,686.52-10,230.40

Finding the Fourth Proportional to 18,613.36, 25,686.52 and 10,230.40

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Solution

The fourth proportional to 18,613.36, 25,686.52 and 10,230.40 is: 14,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.36 : 25,686.52 = 10,230.40 : x
  2. Step 2: Convert to fraction form
    18,613.36/25,686.52 = 10,230.40/x
  3. Step 3: Cross multiply
    18,613.36x = 25,686.52 × 10,230.40
  4. Step 4: Simplify right side
    18,613.36x = 262,783,374.21
  5. Step 5: Solve for x
    x = 262,783,374.21/18,613.36
  6. Step 6: Final answer
    x = 14,118.00

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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.