Home / 15,641.07-21,585.20-8,567.88

Finding the Fourth Proportional to 15,641.07, 21,585.20 and 8,567.88

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Solution

The fourth proportional to 15,641.07, 21,585.20 and 8,567.88 is: 11,823.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.07 : 21,585.20 = 8,567.88 : x
  2. Step 2: Convert to fraction form
    15,641.07/21,585.20 = 8,567.88/x
  3. Step 3: Cross multiply
    15,641.07x = 21,585.20 × 8,567.88
  4. Step 4: Simplify right side
    15,641.07x = 184,939,403.38
  5. Step 5: Solve for x
    x = 184,939,403.38/15,641.07
  6. Step 6: Final answer
    x = 11,823.96

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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.