Home / 18,937.64-26,132.41-10,980.38

Finding the Fourth Proportional to 18,937.64, 26,132.41 and 10,980.38

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Solution

The fourth proportional to 18,937.64, 26,132.41 and 10,980.38 is: 15,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.64 : 26,132.41 = 10,980.38 : x
  2. Step 2: Convert to fraction form
    18,937.64/26,132.41 = 10,980.38/x
  3. Step 3: Cross multiply
    18,937.64x = 26,132.41 × 10,980.38
  4. Step 4: Simplify right side
    18,937.64x = 286,943,737.21
  5. Step 5: Solve for x
    x = 286,943,737.21/18,937.64
  6. Step 6: Final answer
    x = 15,152.03

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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.