Home / 10,100.04-15,139.53-5,936.64

Finding the Fourth Proportional to 10,100.04, 15,139.53 and 5,936.64

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Solution

The fourth proportional to 10,100.04, 15,139.53 and 5,936.64 is: 8,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.04 : 15,139.53 = 5,936.64 : x
  2. Step 2: Convert to fraction form
    10,100.04/15,139.53 = 5,936.64/x
  3. Step 3: Cross multiply
    10,100.04x = 15,139.53 × 5,936.64
  4. Step 4: Simplify right side
    10,100.04x = 89,877,939.38
  5. Step 5: Solve for x
    x = 89,877,939.38/10,100.04
  6. Step 6: Final answer
    x = 8,898.77

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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.