Home / 15,416.40-23,123.41-4,322.50

Finding the Fourth Proportional to 15,416.40, 23,123.41 and 4,322.50

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Solution

The fourth proportional to 15,416.40, 23,123.41 and 4,322.50 is: 6,483.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.40 : 23,123.41 = 4,322.50 : x
  2. Step 2: Convert to fraction form
    15,416.40/23,123.41 = 4,322.50/x
  3. Step 3: Cross multiply
    15,416.40x = 23,123.41 × 4,322.50
  4. Step 4: Simplify right side
    15,416.40x = 99,950,939.73
  5. Step 5: Solve for x
    x = 99,950,939.73/15,416.40
  6. Step 6: Final answer
    x = 6,483.42

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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.