Home / 10,918.76-15,068.36-6,203.48

Finding the Fourth Proportional to 10,918.76, 15,068.36 and 6,203.48

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Solution

The fourth proportional to 10,918.76, 15,068.36 and 6,203.48 is: 8,561.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.76 : 15,068.36 = 6,203.48 : x
  2. Step 2: Convert to fraction form
    10,918.76/15,068.36 = 6,203.48/x
  3. Step 3: Cross multiply
    10,918.76x = 15,068.36 × 6,203.48
  4. Step 4: Simplify right side
    10,918.76x = 93,476,269.89
  5. Step 5: Solve for x
    x = 93,476,269.89/10,918.76
  6. Step 6: Final answer
    x = 8,561.07

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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.