Home / 10,460.29-15,690.24-4,220.14

Finding the Fourth Proportional to 10,460.29, 15,690.24 and 4,220.14

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Solution

The fourth proportional to 10,460.29, 15,690.24 and 4,220.14 is: 6,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.29 : 15,690.24 = 4,220.14 : x
  2. Step 2: Convert to fraction form
    10,460.29/15,690.24 = 4,220.14/x
  3. Step 3: Cross multiply
    10,460.29x = 15,690.24 × 4,220.14
  4. Step 4: Simplify right side
    10,460.29x = 66,215,009.43
  5. Step 5: Solve for x
    x = 66,215,009.43/10,460.29
  6. Step 6: Final answer
    x = 6,330.13

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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.