Home / 10,913.43-15,055.95-6,719.25

Finding the Fourth Proportional to 10,913.43, 15,055.95 and 6,719.25

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Solution

The fourth proportional to 10,913.43, 15,055.95 and 6,719.25 is: 9,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.43 : 15,055.95 = 6,719.25 : x
  2. Step 2: Convert to fraction form
    10,913.43/15,055.95 = 6,719.25/x
  3. Step 3: Cross multiply
    10,913.43x = 15,055.95 × 6,719.25
  4. Step 4: Simplify right side
    10,913.43x = 101,164,692.04
  5. Step 5: Solve for x
    x = 101,164,692.04/10,913.43
  6. Step 6: Final answer
    x = 9,269.74

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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.