Home / 22,416.40-33,631.80-9,931.60

Finding the Fourth Proportional to 22,416.40, 33,631.80 and 9,931.60

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Solution

The fourth proportional to 22,416.40, 33,631.80 and 9,931.60 is: 14,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,416.40 : 33,631.80 = 9,931.60 : x
  2. Step 2: Convert to fraction form
    22,416.40/33,631.80 = 9,931.60/x
  3. Step 3: Cross multiply
    22,416.40x = 33,631.80 × 9,931.60
  4. Step 4: Simplify right side
    22,416.40x = 334,017,584.88
  5. Step 5: Solve for x
    x = 334,017,584.88/22,416.40
  6. Step 6: Final answer
    x = 14,900.59

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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.