Home / 14,972.63-20,670.32-9,005.63

Finding the Fourth Proportional to 14,972.63, 20,670.32 and 9,005.63

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Solution

The fourth proportional to 14,972.63, 20,670.32 and 9,005.63 is: 12,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.63 : 20,670.32 = 9,005.63 : x
  2. Step 2: Convert to fraction form
    14,972.63/20,670.32 = 9,005.63/x
  3. Step 3: Cross multiply
    14,972.63x = 20,670.32 × 9,005.63
  4. Step 4: Simplify right side
    14,972.63x = 186,149,173.06
  5. Step 5: Solve for x
    x = 186,149,173.06/14,972.63
  6. Step 6: Final answer
    x = 12,432.63

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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.