Home / 12,360.06-18,518.40-10,293.30

Finding the Fourth Proportional to 12,360.06, 18,518.40 and 10,293.30

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Solution

The fourth proportional to 12,360.06, 18,518.40 and 10,293.30 is: 15,421.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.06 : 18,518.40 = 10,293.30 : x
  2. Step 2: Convert to fraction form
    12,360.06/18,518.40 = 10,293.30/x
  3. Step 3: Cross multiply
    12,360.06x = 18,518.40 × 10,293.30
  4. Step 4: Simplify right side
    12,360.06x = 190,615,446.72
  5. Step 5: Solve for x
    x = 190,615,446.72/12,360.06
  6. Step 6: Final answer
    x = 15,421.89

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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.