Home / 15,381.84-21,227.28-9,094.32

Finding the Fourth Proportional to 15,381.84, 21,227.28 and 9,094.32

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Solution

The fourth proportional to 15,381.84, 21,227.28 and 9,094.32 is: 12,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,381.84 : 21,227.28 = 9,094.32 : x
  2. Step 2: Convert to fraction form
    15,381.84/21,227.28 = 9,094.32/x
  3. Step 3: Cross multiply
    15,381.84x = 21,227.28 × 9,094.32
  4. Step 4: Simplify right side
    15,381.84x = 193,047,677.05
  5. Step 5: Solve for x
    x = 193,047,677.05/15,381.84
  6. Step 6: Final answer
    x = 12,550.36

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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.