Home / 13,428.94-20,145.57-4,666.36

Finding the Fourth Proportional to 13,428.94, 20,145.57 and 4,666.36

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Solution

The fourth proportional to 13,428.94, 20,145.57 and 4,666.36 is: 7,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428.94 : 20,145.57 = 4,666.36 : x
  2. Step 2: Convert to fraction form
    13,428.94/20,145.57 = 4,666.36/x
  3. Step 3: Cross multiply
    13,428.94x = 20,145.57 × 4,666.36
  4. Step 4: Simplify right side
    13,428.94x = 94,006,482.03
  5. Step 5: Solve for x
    x = 94,006,482.03/13,428.94
  6. Step 6: Final answer
    x = 7,000.29

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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.