Home / 12,239.10-18,337.05-10,035.90

Finding the Fourth Proportional to 12,239.10, 18,337.05 and 10,035.90

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Solution

The fourth proportional to 12,239.10, 18,337.05 and 10,035.90 is: 15,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.10 : 18,337.05 = 10,035.90 : x
  2. Step 2: Convert to fraction form
    12,239.10/18,337.05 = 10,035.90/x
  3. Step 3: Cross multiply
    12,239.10x = 18,337.05 × 10,035.90
  4. Step 4: Simplify right side
    12,239.10x = 184,028,800.10
  5. Step 5: Solve for x
    x = 184,028,800.10/12,239.10
  6. Step 6: Final answer
    x = 15,036.14

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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.