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Finding the Fourth Proportional to 16,636.58, 24,959.87 and 9,980.40

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Solution

The fourth proportional to 16,636.58, 24,959.87 and 9,980.40 is: 14,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,636.58 : 24,959.87 = 9,980.40 : x
  2. Step 2: Convert to fraction form
    16,636.58/24,959.87 = 9,980.40/x
  3. Step 3: Cross multiply
    16,636.58x = 24,959.87 × 9,980.40
  4. Step 4: Simplify right side
    16,636.58x = 249,109,436.65
  5. Step 5: Solve for x
    x = 249,109,436.65/16,636.58
  6. Step 6: Final answer
    x = 14,973.60

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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.