Home / 15,919.56-23,835.60-12,012.12

Finding the Fourth Proportional to 15,919.56, 23,835.60 and 12,012.12

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Solution

The fourth proportional to 15,919.56, 23,835.60 and 12,012.12 is: 17,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.56 : 23,835.60 = 12,012.12 : x
  2. Step 2: Convert to fraction form
    15,919.56/23,835.60 = 12,012.12/x
  3. Step 3: Cross multiply
    15,919.56x = 23,835.60 × 12,012.12
  4. Step 4: Simplify right side
    15,919.56x = 286,316,087.47
  5. Step 5: Solve for x
    x = 286,316,087.47/15,919.56
  6. Step 6: Final answer
    x = 17,985.18

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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.