Home / 10,959.16-15,124.20-6,485.48

Finding the Fourth Proportional to 10,959.16, 15,124.20 and 6,485.48

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Solution

The fourth proportional to 10,959.16, 15,124.20 and 6,485.48 is: 8,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.16 : 15,124.20 = 6,485.48 : x
  2. Step 2: Convert to fraction form
    10,959.16/15,124.20 = 6,485.48/x
  3. Step 3: Cross multiply
    10,959.16x = 15,124.20 × 6,485.48
  4. Step 4: Simplify right side
    10,959.16x = 98,087,696.62
  5. Step 5: Solve for x
    x = 98,087,696.62/10,959.16
  6. Step 6: Final answer
    x = 8,950.29

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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.