Home / 10,134.96-15,178.95-9,784.68

Finding the Fourth Proportional to 10,134.96, 15,178.95 and 9,784.68

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Solution

The fourth proportional to 10,134.96, 15,178.95 and 9,784.68 is: 14,654.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.96 : 15,178.95 = 9,784.68 : x
  2. Step 2: Convert to fraction form
    10,134.96/15,178.95 = 9,784.68/x
  3. Step 3: Cross multiply
    10,134.96x = 15,178.95 × 9,784.68
  4. Step 4: Simplify right side
    10,134.96x = 148,521,168.49
  5. Step 5: Solve for x
    x = 148,521,168.49/10,134.96
  6. Step 6: Final answer
    x = 14,654.34

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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.