Home / 15,567.89-21,482.96-9,600.12

Finding the Fourth Proportional to 15,567.89, 21,482.96 and 9,600.12

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Solution

The fourth proportional to 15,567.89, 21,482.96 and 9,600.12 is: 13,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.89 : 21,482.96 = 9,600.12 : x
  2. Step 2: Convert to fraction form
    15,567.89/21,482.96 = 9,600.12/x
  3. Step 3: Cross multiply
    15,567.89x = 21,482.96 × 9,600.12
  4. Step 4: Simplify right side
    15,567.89x = 206,238,945.95
  5. Step 5: Solve for x
    x = 206,238,945.95/15,567.89
  6. Step 6: Final answer
    x = 13,247.72

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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.