Home / 13,069.64-18,036.27-7,101.41

Finding the Fourth Proportional to 13,069.64, 18,036.27 and 7,101.41

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Solution

The fourth proportional to 13,069.64, 18,036.27 and 7,101.41 is: 9,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069.64 : 18,036.27 = 7,101.41 : x
  2. Step 2: Convert to fraction form
    13,069.64/18,036.27 = 7,101.41/x
  3. Step 3: Cross multiply
    13,069.64x = 18,036.27 × 7,101.41
  4. Step 4: Simplify right side
    13,069.64x = 128,082,948.14
  5. Step 5: Solve for x
    x = 128,082,948.14/13,069.64
  6. Step 6: Final answer
    x = 9,800.04

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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.