Home / 14,298.76-21,418.62-10,605.16

Finding the Fourth Proportional to 14,298.76, 21,418.62 and 10,605.16

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Solution

The fourth proportional to 14,298.76, 21,418.62 and 10,605.16 is: 15,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.76 : 21,418.62 = 10,605.16 : x
  2. Step 2: Convert to fraction form
    14,298.76/21,418.62 = 10,605.16/x
  3. Step 3: Cross multiply
    14,298.76x = 21,418.62 × 10,605.16
  4. Step 4: Simplify right side
    14,298.76x = 227,147,892.08
  5. Step 5: Solve for x
    x = 227,147,892.08/14,298.76
  6. Step 6: Final answer
    x = 15,885.85

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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.