Home / 15,567.32-21,482.91-8,853.37

Finding the Fourth Proportional to 15,567.32, 21,482.91 and 8,853.37

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Solution

The fourth proportional to 15,567.32, 21,482.91 and 8,853.37 is: 12,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.32 : 21,482.91 = 8,853.37 : x
  2. Step 2: Convert to fraction form
    15,567.32/21,482.91 = 8,853.37/x
  3. Step 3: Cross multiply
    15,567.32x = 21,482.91 × 8,853.37
  4. Step 4: Simplify right side
    15,567.32x = 190,196,043.49
  5. Step 5: Solve for x
    x = 190,196,043.49/15,567.32
  6. Step 6: Final answer
    x = 12,217.65

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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.