Home / 19,358.55-26,717.90-10,977.75

Finding the Fourth Proportional to 19,358.55, 26,717.90 and 10,977.75

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Solution

The fourth proportional to 19,358.55, 26,717.90 and 10,977.75 is: 15,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.55 : 26,717.90 = 10,977.75 : x
  2. Step 2: Convert to fraction form
    19,358.55/26,717.90 = 10,977.75/x
  3. Step 3: Cross multiply
    19,358.55x = 26,717.90 × 10,977.75
  4. Step 4: Simplify right side
    19,358.55x = 293,302,320.58
  5. Step 5: Solve for x
    x = 293,302,320.58/19,358.55
  6. Step 6: Final answer
    x = 15,151.05

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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.