Home / 14,952.40-22,421.61-7,940.63

Finding the Fourth Proportional to 14,952.40, 22,421.61 and 7,940.63

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Solution

The fourth proportional to 14,952.40, 22,421.61 and 7,940.63 is: 11,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.40 : 22,421.61 = 7,940.63 : x
  2. Step 2: Convert to fraction form
    14,952.40/22,421.61 = 7,940.63/x
  3. Step 3: Cross multiply
    14,952.40x = 22,421.61 × 7,940.63
  4. Step 4: Simplify right side
    14,952.40x = 178,041,765.07
  5. Step 5: Solve for x
    x = 178,041,765.07/14,952.40
  6. Step 6: Final answer
    x = 11,907.24

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Half scale
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Double scale
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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.