Home / 19,158.08-26,429.28-11,200.64

Finding the Fourth Proportional to 19,158.08, 26,429.28 and 11,200.64

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Solution

The fourth proportional to 19,158.08, 26,429.28 and 11,200.64 is: 15,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.08 : 26,429.28 = 11,200.64 : x
  2. Step 2: Convert to fraction form
    19,158.08/26,429.28 = 11,200.64/x
  3. Step 3: Cross multiply
    19,158.08x = 26,429.28 × 11,200.64
  4. Step 4: Simplify right side
    19,158.08x = 296,024,850.74
  5. Step 5: Solve for x
    x = 296,024,850.74/19,158.08
  6. Step 6: Final answer
    x = 15,451.70

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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.