Home / 20,366.40-30,532.26-9,269.19

Finding the Fourth Proportional to 20,366.40, 30,532.26 and 9,269.19

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Solution

The fourth proportional to 20,366.40, 30,532.26 and 9,269.19 is: 13,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.40 : 30,532.26 = 9,269.19 : x
  2. Step 2: Convert to fraction form
    20,366.40/30,532.26 = 9,269.19/x
  3. Step 3: Cross multiply
    20,366.40x = 30,532.26 × 9,269.19
  4. Step 4: Simplify right side
    20,366.40x = 283,009,319.07
  5. Step 5: Solve for x
    x = 283,009,319.07/20,366.40
  6. Step 6: Final answer
    x = 13,895.89

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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.