Home / 15,187.32-22,782.59-6,423.12

Finding the Fourth Proportional to 15,187.32, 22,782.59 and 6,423.12

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Solution

The fourth proportional to 15,187.32, 22,782.59 and 6,423.12 is: 9,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,187.32 : 22,782.59 = 6,423.12 : x
  2. Step 2: Convert to fraction form
    15,187.32/22,782.59 = 6,423.12/x
  3. Step 3: Cross multiply
    15,187.32x = 22,782.59 × 6,423.12
  4. Step 4: Simplify right side
    15,187.32x = 146,335,309.48
  5. Step 5: Solve for x
    x = 146,335,309.48/15,187.32
  6. Step 6: Final answer
    x = 9,635.36

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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.