Home / 15,580.32-21,492.84-10,273.20

Finding the Fourth Proportional to 15,580.32, 21,492.84 and 10,273.20

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Solution

The fourth proportional to 15,580.32, 21,492.84 and 10,273.20 is: 14,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580.32 : 21,492.84 = 10,273.20 : x
  2. Step 2: Convert to fraction form
    15,580.32/21,492.84 = 10,273.20/x
  3. Step 3: Cross multiply
    15,580.32x = 21,492.84 × 10,273.20
  4. Step 4: Simplify right side
    15,580.32x = 220,800,243.89
  5. Step 5: Solve for x
    x = 220,800,243.89/15,580.32
  6. Step 6: Final answer
    x = 14,171.74

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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.