Home / 13,575.32-18,740.94-9,376.28

Finding the Fourth Proportional to 13,575.32, 18,740.94 and 9,376.28

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Solution

The fourth proportional to 13,575.32, 18,740.94 and 9,376.28 is: 12,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575.32 : 18,740.94 = 9,376.28 : x
  2. Step 2: Convert to fraction form
    13,575.32/18,740.94 = 9,376.28/x
  3. Step 3: Cross multiply
    13,575.32x = 18,740.94 × 9,376.28
  4. Step 4: Simplify right side
    13,575.32x = 175,720,300.90
  5. Step 5: Solve for x
    x = 175,720,300.90/13,575.32
  6. Step 6: Final answer
    x = 12,944.10

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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.