Home / 15,856.47-21,882.08-9,567.63

Finding the Fourth Proportional to 15,856.47, 21,882.08 and 9,567.63

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Solution

The fourth proportional to 15,856.47, 21,882.08 and 9,567.63 is: 13,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.47 : 21,882.08 = 9,567.63 : x
  2. Step 2: Convert to fraction form
    15,856.47/21,882.08 = 9,567.63/x
  3. Step 3: Cross multiply
    15,856.47x = 21,882.08 × 9,567.63
  4. Step 4: Simplify right side
    15,856.47x = 209,359,645.07
  5. Step 5: Solve for x
    x = 209,359,645.07/15,856.47
  6. Step 6: Final answer
    x = 13,203.42

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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.