Home / 13,001.64-17,944.41-9,666.60

Finding the Fourth Proportional to 13,001.64, 17,944.41 and 9,666.60

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Solution

The fourth proportional to 13,001.64, 17,944.41 and 9,666.60 is: 13,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.64 : 17,944.41 = 9,666.60 : x
  2. Step 2: Convert to fraction form
    13,001.64/17,944.41 = 9,666.60/x
  3. Step 3: Cross multiply
    13,001.64x = 17,944.41 × 9,666.60
  4. Step 4: Simplify right side
    13,001.64x = 173,461,433.71
  5. Step 5: Solve for x
    x = 173,461,433.71/13,001.64
  6. Step 6: Final answer
    x = 13,341.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.