Home / 10,975.15-15,141.63-6,995.35

Finding the Fourth Proportional to 10,975.15, 15,141.63 and 6,995.35

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Solution

The fourth proportional to 10,975.15, 15,141.63 and 6,995.35 is: 9,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.15 : 15,141.63 = 6,995.35 : x
  2. Step 2: Convert to fraction form
    10,975.15/15,141.63 = 6,995.35/x
  3. Step 3: Cross multiply
    10,975.15x = 15,141.63 × 6,995.35
  4. Step 4: Simplify right side
    10,975.15x = 105,921,001.42
  5. Step 5: Solve for x
    x = 105,921,001.42/10,975.15
  6. Step 6: Final answer
    x = 9,650.98

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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.