Home / 19,302.68-28,958.28-10,986.62

Finding the Fourth Proportional to 19,302.68, 28,958.28 and 10,986.62

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Solution

The fourth proportional to 19,302.68, 28,958.28 and 10,986.62 is: 16,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.68 : 28,958.28 = 10,986.62 : x
  2. Step 2: Convert to fraction form
    19,302.68/28,958.28 = 10,986.62/x
  3. Step 3: Cross multiply
    19,302.68x = 28,958.28 × 10,986.62
  4. Step 4: Simplify right side
    19,302.68x = 318,153,618.21
  5. Step 5: Solve for x
    x = 318,153,618.21/19,302.68
  6. Step 6: Final answer
    x = 16,482.35

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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.