Home / 10,256.05-14,161.76-6,485.32

Finding the Fourth Proportional to 10,256.05, 14,161.76 and 6,485.32

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Solution

The fourth proportional to 10,256.05, 14,161.76 and 6,485.32 is: 8,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.05 : 14,161.76 = 6,485.32 : x
  2. Step 2: Convert to fraction form
    10,256.05/14,161.76 = 6,485.32/x
  3. Step 3: Cross multiply
    10,256.05x = 14,161.76 × 6,485.32
  4. Step 4: Simplify right side
    10,256.05x = 91,843,545.36
  5. Step 5: Solve for x
    x = 91,843,545.36/10,256.05
  6. Step 6: Final answer
    x = 8,955.06

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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.