Home / 15,966.96-22,035.60-9,254.40

Finding the Fourth Proportional to 15,966.96, 22,035.60 and 9,254.40

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Solution

The fourth proportional to 15,966.96, 22,035.60 and 9,254.40 is: 12,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,966.96 : 22,035.60 = 9,254.40 : x
  2. Step 2: Convert to fraction form
    15,966.96/22,035.60 = 9,254.40/x
  3. Step 3: Cross multiply
    15,966.96x = 22,035.60 × 9,254.40
  4. Step 4: Simplify right side
    15,966.96x = 203,926,256.64
  5. Step 5: Solve for x
    x = 203,926,256.64/15,966.96
  6. Step 6: Final answer
    x = 12,771.76

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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.