Home / 18,727.87-25,841.39-11,070.08

Finding the Fourth Proportional to 18,727.87, 25,841.39 and 11,070.08

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Solution

The fourth proportional to 18,727.87, 25,841.39 and 11,070.08 is: 15,274.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.87 : 25,841.39 = 11,070.08 : x
  2. Step 2: Convert to fraction form
    18,727.87/25,841.39 = 11,070.08/x
  3. Step 3: Cross multiply
    18,727.87x = 25,841.39 × 11,070.08
  4. Step 4: Simplify right side
    18,727.87x = 286,066,254.61
  5. Step 5: Solve for x
    x = 286,066,254.61/18,727.87
  6. Step 6: Final answer
    x = 15,274.90

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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.