Home / 10,963.08-15,128.98-5,995.08

Finding the Fourth Proportional to 10,963.08, 15,128.98 and 5,995.08

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Solution

The fourth proportional to 10,963.08, 15,128.98 and 5,995.08 is: 8,273.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.08 : 15,128.98 = 5,995.08 : x
  2. Step 2: Convert to fraction form
    10,963.08/15,128.98 = 5,995.08/x
  3. Step 3: Cross multiply
    10,963.08x = 15,128.98 × 5,995.08
  4. Step 4: Simplify right side
    10,963.08x = 90,699,445.42
  5. Step 5: Solve for x
    x = 90,699,445.42/10,963.08
  6. Step 6: Final answer
    x = 8,273.17

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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.