Home / 10,914.93-15,061.37-6,135.21

Finding the Fourth Proportional to 10,914.93, 15,061.37 and 6,135.21

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Solution

The fourth proportional to 10,914.93, 15,061.37 and 6,135.21 is: 8,465.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.93 : 15,061.37 = 6,135.21 : x
  2. Step 2: Convert to fraction form
    10,914.93/15,061.37 = 6,135.21/x
  3. Step 3: Cross multiply
    10,914.93x = 15,061.37 × 6,135.21
  4. Step 4: Simplify right side
    10,914.93x = 92,404,637.16
  5. Step 5: Solve for x
    x = 92,404,637.16/10,914.93
  6. Step 6: Final answer
    x = 8,465.89

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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.