Home / 10,933.32-15,087.06-6,457.26

Finding the Fourth Proportional to 10,933.32, 15,087.06 and 6,457.26

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Solution

The fourth proportional to 10,933.32, 15,087.06 and 6,457.26 is: 8,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.32 : 15,087.06 = 6,457.26 : x
  2. Step 2: Convert to fraction form
    10,933.32/15,087.06 = 6,457.26/x
  3. Step 3: Cross multiply
    10,933.32x = 15,087.06 × 6,457.26
  4. Step 4: Simplify right side
    10,933.32x = 97,421,069.06
  5. Step 5: Solve for x
    x = 97,421,069.06/10,933.32
  6. Step 6: Final answer
    x = 8,910.47

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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.