Home / 15,438.87-23,158.29-6,211.35

Finding the Fourth Proportional to 15,438.87, 23,158.29 and 6,211.35

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Solution

The fourth proportional to 15,438.87, 23,158.29 and 6,211.35 is: 9,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.87 : 23,158.29 = 6,211.35 : x
  2. Step 2: Convert to fraction form
    15,438.87/23,158.29 = 6,211.35/x
  3. Step 3: Cross multiply
    15,438.87x = 23,158.29 × 6,211.35
  4. Step 4: Simplify right side
    15,438.87x = 143,844,244.59
  5. Step 5: Solve for x
    x = 143,844,244.59/15,438.87
  6. Step 6: Final answer
    x = 9,317.02

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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.