Home / 15,366.54-21,204.20-8,652.05

Finding the Fourth Proportional to 15,366.54, 21,204.20 and 8,652.05

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Solution

The fourth proportional to 15,366.54, 21,204.20 and 8,652.05 is: 11,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.54 : 21,204.20 = 8,652.05 : x
  2. Step 2: Convert to fraction form
    15,366.54/21,204.20 = 8,652.05/x
  3. Step 3: Cross multiply
    15,366.54x = 21,204.20 × 8,652.05
  4. Step 4: Simplify right side
    15,366.54x = 183,459,798.61
  5. Step 5: Solve for x
    x = 183,459,798.61/15,366.54
  6. Step 6: Final answer
    x = 11,938.91

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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.