Home / 10,865.48-14,995.32-6,151.28

Finding the Fourth Proportional to 10,865.48, 14,995.32 and 6,151.28

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Solution

The fourth proportional to 10,865.48, 14,995.32 and 6,151.28 is: 8,489.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.48 : 14,995.32 = 6,151.28 : x
  2. Step 2: Convert to fraction form
    10,865.48/14,995.32 = 6,151.28/x
  3. Step 3: Cross multiply
    10,865.48x = 14,995.32 × 6,151.28
  4. Step 4: Simplify right side
    10,865.48x = 92,240,412.01
  5. Step 5: Solve for x
    x = 92,240,412.01/10,865.48
  6. Step 6: Final answer
    x = 8,489.31

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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.