Home / 13,328.42-19,990.19-5,926.64

Finding the Fourth Proportional to 13,328.42, 19,990.19 and 5,926.64

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Solution

The fourth proportional to 13,328.42, 19,990.19 and 5,926.64 is: 8,888.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.42 : 19,990.19 = 5,926.64 : x
  2. Step 2: Convert to fraction form
    13,328.42/19,990.19 = 5,926.64/x
  3. Step 3: Cross multiply
    13,328.42x = 19,990.19 × 5,926.64
  4. Step 4: Simplify right side
    13,328.42x = 118,474,574.53
  5. Step 5: Solve for x
    x = 118,474,574.53/13,328.42
  6. Step 6: Final answer
    x = 8,888.87

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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.