Home / 10,013.36-15,017.08-3,768.84

Finding the Fourth Proportional to 10,013.36, 15,017.08 and 3,768.84

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Solution

The fourth proportional to 10,013.36, 15,017.08 and 3,768.84 is: 5,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.36 : 15,017.08 = 3,768.84 : x
  2. Step 2: Convert to fraction form
    10,013.36/15,017.08 = 3,768.84/x
  3. Step 3: Cross multiply
    10,013.36x = 15,017.08 × 3,768.84
  4. Step 4: Simplify right side
    10,013.36x = 56,596,971.79
  5. Step 5: Solve for x
    x = 56,596,971.79/10,013.36
  6. Step 6: Final answer
    x = 5,652.15

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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.