Home / 15,327.01-21,151.64-8,612.24

Finding the Fourth Proportional to 15,327.01, 21,151.64 and 8,612.24

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Solution

The fourth proportional to 15,327.01, 21,151.64 and 8,612.24 is: 11,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327.01 : 21,151.64 = 8,612.24 : x
  2. Step 2: Convert to fraction form
    15,327.01/21,151.64 = 8,612.24/x
  3. Step 3: Cross multiply
    15,327.01x = 21,151.64 × 8,612.24
  4. Step 4: Simplify right side
    15,327.01x = 182,163,000.07
  5. Step 5: Solve for x
    x = 182,163,000.07/15,327.01
  6. Step 6: Final answer
    x = 11,885.10

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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.