Home / 13,377.99-20,066.90-10,458.75

Finding the Fourth Proportional to 13,377.99, 20,066.90 and 10,458.75

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Solution

The fourth proportional to 13,377.99, 20,066.90 and 10,458.75 is: 15,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.99 : 20,066.90 = 10,458.75 : x
  2. Step 2: Convert to fraction form
    13,377.99/20,066.90 = 10,458.75/x
  3. Step 3: Cross multiply
    13,377.99x = 20,066.90 × 10,458.75
  4. Step 4: Simplify right side
    13,377.99x = 209,874,638.08
  5. Step 5: Solve for x
    x = 209,874,638.08/13,377.99
  6. Step 6: Final answer
    x = 15,688.05

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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.