Home / 13,785.39-20,688.48-10,097.06

Finding the Fourth Proportional to 13,785.39, 20,688.48 and 10,097.06

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Solution

The fourth proportional to 13,785.39, 20,688.48 and 10,097.06 is: 15,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.39 : 20,688.48 = 10,097.06 : x
  2. Step 2: Convert to fraction form
    13,785.39/20,688.48 = 10,097.06/x
  3. Step 3: Cross multiply
    13,785.39x = 20,688.48 × 10,097.06
  4. Step 4: Simplify right side
    13,785.39x = 208,892,720.43
  5. Step 5: Solve for x
    x = 208,892,720.43/13,785.39
  6. Step 6: Final answer
    x = 15,153.20

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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.