Home / 10,154.70-15,208.29-8,783.10

Finding the Fourth Proportional to 10,154.70, 15,208.29 and 8,783.10

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Solution

The fourth proportional to 10,154.70, 15,208.29 and 8,783.10 is: 13,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.70 : 15,208.29 = 8,783.10 : x
  2. Step 2: Convert to fraction form
    10,154.70/15,208.29 = 8,783.10/x
  3. Step 3: Cross multiply
    10,154.70x = 15,208.29 × 8,783.10
  4. Step 4: Simplify right side
    10,154.70x = 133,575,931.90
  5. Step 5: Solve for x
    x = 133,575,931.90/10,154.70
  6. Step 6: Final answer
    x = 13,154.10

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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.