Home / 12,435.07-18,652.63-10,239.19

Finding the Fourth Proportional to 12,435.07, 18,652.63 and 10,239.19

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Solution

The fourth proportional to 12,435.07, 18,652.63 and 10,239.19 is: 15,358.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.07 : 18,652.63 = 10,239.19 : x
  2. Step 2: Convert to fraction form
    12,435.07/18,652.63 = 10,239.19/x
  3. Step 3: Cross multiply
    12,435.07x = 18,652.63 × 10,239.19
  4. Step 4: Simplify right side
    12,435.07x = 190,987,750.34
  5. Step 5: Solve for x
    x = 190,987,750.34/12,435.07
  6. Step 6: Final answer
    x = 15,358.80

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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.