Home / 13,657.07-18,844.85-7,607.32

Finding the Fourth Proportional to 13,657.07, 18,844.85 and 7,607.32

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Solution

The fourth proportional to 13,657.07, 18,844.85 and 7,607.32 is: 10,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.07 : 18,844.85 = 7,607.32 : x
  2. Step 2: Convert to fraction form
    13,657.07/18,844.85 = 7,607.32/x
  3. Step 3: Cross multiply
    13,657.07x = 18,844.85 × 7,607.32
  4. Step 4: Simplify right side
    13,657.07x = 143,358,776.21
  5. Step 5: Solve for x
    x = 143,358,776.21/13,657.07
  6. Step 6: Final answer
    x = 10,497.04

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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.