Home / 13,495.56-20,109.18-12,023.40

Finding the Fourth Proportional to 13,495.56, 20,109.18 and 12,023.40

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Solution

The fourth proportional to 13,495.56, 20,109.18 and 12,023.40 is: 17,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.56 : 20,109.18 = 12,023.40 : x
  2. Step 2: Convert to fraction form
    13,495.56/20,109.18 = 12,023.40/x
  3. Step 3: Cross multiply
    13,495.56x = 20,109.18 × 12,023.40
  4. Step 4: Simplify right side
    13,495.56x = 241,780,714.81
  5. Step 5: Solve for x
    x = 241,780,714.81/13,495.56
  6. Step 6: Final answer
    x = 17,915.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.