Home / 9,323.60-13,985.40-5,381.60

Finding the Fourth Proportional to 9,323.60, 13,985.40 and 5,381.60

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Solution

The fourth proportional to 9,323.60, 13,985.40 and 5,381.60 is: 8,072.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,323.60 : 13,985.40 = 5,381.60 : x
  2. Step 2: Convert to fraction form
    9,323.60/13,985.40 = 5,381.60/x
  3. Step 3: Cross multiply
    9,323.60x = 13,985.40 × 5,381.60
  4. Step 4: Simplify right side
    9,323.60x = 75,263,828.64
  5. Step 5: Solve for x
    x = 75,263,828.64/9,323.60
  6. Step 6: Final answer
    x = 8,072.40

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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.