Home / 12,567.63-17,318.30-8,972.45

Finding the Fourth Proportional to 12,567.63, 17,318.30 and 8,972.45

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Solution

The fourth proportional to 12,567.63, 17,318.30 and 8,972.45 is: 12,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.63 : 17,318.30 = 8,972.45 : x
  2. Step 2: Convert to fraction form
    12,567.63/17,318.30 = 8,972.45/x
  3. Step 3: Cross multiply
    12,567.63x = 17,318.30 × 8,972.45
  4. Step 4: Simplify right side
    12,567.63x = 155,387,514.32
  5. Step 5: Solve for x
    x = 155,387,514.32/12,567.63
  6. Step 6: Final answer
    x = 12,364.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.