Home / 18,169.45-25,071.12-10,210.15

Finding the Fourth Proportional to 18,169.45, 25,071.12 and 10,210.15

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Solution

The fourth proportional to 18,169.45, 25,071.12 and 10,210.15 is: 14,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.45 : 25,071.12 = 10,210.15 : x
  2. Step 2: Convert to fraction form
    18,169.45/25,071.12 = 10,210.15/x
  3. Step 3: Cross multiply
    18,169.45x = 25,071.12 × 10,210.15
  4. Step 4: Simplify right side
    18,169.45x = 255,979,927.21
  5. Step 5: Solve for x
    x = 255,979,927.21/18,169.45
  6. Step 6: Final answer
    x = 14,088.48

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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.