Home / 10,291.18-15,439.72-4,365.02

Finding the Fourth Proportional to 10,291.18, 15,439.72 and 4,365.02

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Solution

The fourth proportional to 10,291.18, 15,439.72 and 4,365.02 is: 6,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.18 : 15,439.72 = 4,365.02 : x
  2. Step 2: Convert to fraction form
    10,291.18/15,439.72 = 4,365.02/x
  3. Step 3: Cross multiply
    10,291.18x = 15,439.72 × 4,365.02
  4. Step 4: Simplify right side
    10,291.18x = 67,394,609.40
  5. Step 5: Solve for x
    x = 67,394,609.40/10,291.18
  6. Step 6: Final answer
    x = 6,548.77

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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.