Home / 10,876.18-15,009.48-6,160.36

Finding the Fourth Proportional to 10,876.18, 15,009.48 and 6,160.36

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Solution

The fourth proportional to 10,876.18, 15,009.48 and 6,160.36 is: 8,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.18 : 15,009.48 = 6,160.36 : x
  2. Step 2: Convert to fraction form
    10,876.18/15,009.48 = 6,160.36/x
  3. Step 3: Cross multiply
    10,876.18x = 15,009.48 × 6,160.36
  4. Step 4: Simplify right side
    10,876.18x = 92,463,800.21
  5. Step 5: Solve for x
    x = 92,463,800.21/10,876.18
  6. Step 6: Final answer
    x = 8,501.50

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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.