Home / 16,639.40-24,959.28-9,630.20

Finding the Fourth Proportional to 16,639.40, 24,959.28 and 9,630.20

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Solution

The fourth proportional to 16,639.40, 24,959.28 and 9,630.20 is: 14,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.40 : 24,959.28 = 9,630.20 : x
  2. Step 2: Convert to fraction form
    16,639.40/24,959.28 = 9,630.20/x
  3. Step 3: Cross multiply
    16,639.40x = 24,959.28 × 9,630.20
  4. Step 4: Simplify right side
    16,639.40x = 240,362,858.26
  5. Step 5: Solve for x
    x = 240,362,858.26/16,639.40
  6. Step 6: Final answer
    x = 14,445.40

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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.