Home / 10,546.92-15,820.56-8,690.76

Finding the Fourth Proportional to 10,546.92, 15,820.56 and 8,690.76

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Solution

The fourth proportional to 10,546.92, 15,820.56 and 8,690.76 is: 13,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.92 : 15,820.56 = 8,690.76 : x
  2. Step 2: Convert to fraction form
    10,546.92/15,820.56 = 8,690.76/x
  3. Step 3: Cross multiply
    10,546.92x = 15,820.56 × 8,690.76
  4. Step 4: Simplify right side
    10,546.92x = 137,492,690.03
  5. Step 5: Solve for x
    x = 137,492,690.03/10,546.92
  6. Step 6: Final answer
    x = 13,036.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.