Home / 15,333.56-21,164.64-9,047.96

Finding the Fourth Proportional to 15,333.56, 21,164.64 and 9,047.96

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Solution

The fourth proportional to 15,333.56, 21,164.64 and 9,047.96 is: 12,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.56 : 21,164.64 = 9,047.96 : x
  2. Step 2: Convert to fraction form
    15,333.56/21,164.64 = 9,047.96/x
  3. Step 3: Cross multiply
    15,333.56x = 21,164.64 × 9,047.96
  4. Step 4: Simplify right side
    15,333.56x = 191,496,816.13
  5. Step 5: Solve for x
    x = 191,496,816.13/15,333.56
  6. Step 6: Final answer
    x = 12,488.74

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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.