Home / 17,520.05-26,281.55-5,514.95

Finding the Fourth Proportional to 17,520.05, 26,281.55 and 5,514.95

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Solution

The fourth proportional to 17,520.05, 26,281.55 and 5,514.95 is: 8,272.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,520.05 : 26,281.55 = 5,514.95 : x
  2. Step 2: Convert to fraction form
    17,520.05/26,281.55 = 5,514.95/x
  3. Step 3: Cross multiply
    17,520.05x = 26,281.55 × 5,514.95
  4. Step 4: Simplify right side
    17,520.05x = 144,941,482.64
  5. Step 5: Solve for x
    x = 144,941,482.64/17,520.05
  6. Step 6: Final answer
    x = 8,272.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.