Home / 12,552.90-18,829.35-9,272.40

Finding the Fourth Proportional to 12,552.90, 18,829.35 and 9,272.40

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Solution

The fourth proportional to 12,552.90, 18,829.35 and 9,272.40 is: 13,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.90 : 18,829.35 = 9,272.40 : x
  2. Step 2: Convert to fraction form
    12,552.90/18,829.35 = 9,272.40/x
  3. Step 3: Cross multiply
    12,552.90x = 18,829.35 × 9,272.40
  4. Step 4: Simplify right side
    12,552.90x = 174,593,264.94
  5. Step 5: Solve for x
    x = 174,593,264.94/12,552.90
  6. Step 6: Final answer
    x = 13,908.60

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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.