Home / 15,567.32-21,482.68-8,493.60

Finding the Fourth Proportional to 15,567.32, 21,482.68 and 8,493.60

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Solution

The fourth proportional to 15,567.32, 21,482.68 and 8,493.60 is: 11,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.32 : 21,482.68 = 8,493.60 : x
  2. Step 2: Convert to fraction form
    15,567.32/21,482.68 = 8,493.60/x
  3. Step 3: Cross multiply
    15,567.32x = 21,482.68 × 8,493.60
  4. Step 4: Simplify right side
    15,567.32x = 182,465,290.85
  5. Step 5: Solve for x
    x = 182,465,290.85/15,567.32
  6. Step 6: Final answer
    x = 11,721.05

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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.