Home / 10,914.99-15,056.12-6,664.11

Finding the Fourth Proportional to 10,914.99, 15,056.12 and 6,664.11

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Solution

The fourth proportional to 10,914.99, 15,056.12 and 6,664.11 is: 9,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.99 : 15,056.12 = 6,664.11 : x
  2. Step 2: Convert to fraction form
    10,914.99/15,056.12 = 6,664.11/x
  3. Step 3: Cross multiply
    10,914.99x = 15,056.12 × 6,664.11
  4. Step 4: Simplify right side
    10,914.99x = 100,335,656.51
  5. Step 5: Solve for x
    x = 100,335,656.51/10,914.99
  6. Step 6: Final answer
    x = 9,192.46

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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.