Home / 13,011.64-19,505.49-4,689.62

Finding the Fourth Proportional to 13,011.64, 19,505.49 and 4,689.62

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Solution

The fourth proportional to 13,011.64, 19,505.49 and 4,689.62 is: 7,030.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.64 : 19,505.49 = 4,689.62 : x
  2. Step 2: Convert to fraction form
    13,011.64/19,505.49 = 4,689.62/x
  3. Step 3: Cross multiply
    13,011.64x = 19,505.49 × 4,689.62
  4. Step 4: Simplify right side
    13,011.64x = 91,473,375.28
  5. Step 5: Solve for x
    x = 91,473,375.28/13,011.64
  6. Step 6: Final answer
    x = 7,030.12

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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.