Home / 9,971.39-14,932.46-7,432.40

Finding the Fourth Proportional to 9,971.39, 14,932.46 and 7,432.40

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Solution

The fourth proportional to 9,971.39, 14,932.46 and 7,432.40 is: 11,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.39 : 14,932.46 = 7,432.40 : x
  2. Step 2: Convert to fraction form
    9,971.39/14,932.46 = 7,432.40/x
  3. Step 3: Cross multiply
    9,971.39x = 14,932.46 × 7,432.40
  4. Step 4: Simplify right side
    9,971.39x = 110,984,015.70
  5. Step 5: Solve for x
    x = 110,984,015.70/9,971.39
  6. Step 6: Final answer
    x = 11,130.25

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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.