Home / 10,407.78-15,591.93-6,182.10

Finding the Fourth Proportional to 10,407.78, 15,591.93 and 6,182.10

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Solution

The fourth proportional to 10,407.78, 15,591.93 and 6,182.10 is: 9,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.78 : 15,591.93 = 6,182.10 : x
  2. Step 2: Convert to fraction form
    10,407.78/15,591.93 = 6,182.10/x
  3. Step 3: Cross multiply
    10,407.78x = 15,591.93 × 6,182.10
  4. Step 4: Simplify right side
    10,407.78x = 96,390,870.45
  5. Step 5: Solve for x
    x = 96,390,870.45/10,407.78
  6. Step 6: Final answer
    x = 9,261.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.