Home / 15,641.28-21,585.06-8,567.73

Finding the Fourth Proportional to 15,641.28, 21,585.06 and 8,567.73

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Solution

The fourth proportional to 15,641.28, 21,585.06 and 8,567.73 is: 11,823.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641.28 : 21,585.06 = 8,567.73 : x
  2. Step 2: Convert to fraction form
    15,641.28/21,585.06 = 8,567.73/x
  3. Step 3: Cross multiply
    15,641.28x = 21,585.06 × 8,567.73
  4. Step 4: Simplify right side
    15,641.28x = 184,934,966.11
  5. Step 5: Solve for x
    x = 184,934,966.11/15,641.28
  6. Step 6: Final answer
    x = 11,823.52

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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.