Home / 10,140.96-15,216.30-8,827.14

Finding the Fourth Proportional to 10,140.96, 15,216.30 and 8,827.14

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Solution

The fourth proportional to 10,140.96, 15,216.30 and 8,827.14 is: 13,244.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.96 : 15,216.30 = 8,827.14 : x
  2. Step 2: Convert to fraction form
    10,140.96/15,216.30 = 8,827.14/x
  3. Step 3: Cross multiply
    10,140.96x = 15,216.30 × 8,827.14
  4. Step 4: Simplify right side
    10,140.96x = 134,316,410.38
  5. Step 5: Solve for x
    x = 134,316,410.38/10,140.96
  6. Step 6: Final answer
    x = 13,244.94

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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.