Home / 9,591.48-14,389.30-7,155.40

Finding the Fourth Proportional to 9,591.48, 14,389.30 and 7,155.40

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Solution

The fourth proportional to 9,591.48, 14,389.30 and 7,155.40 is: 10,734.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591.48 : 14,389.30 = 7,155.40 : x
  2. Step 2: Convert to fraction form
    9,591.48/14,389.30 = 7,155.40/x
  3. Step 3: Cross multiply
    9,591.48x = 14,389.30 × 7,155.40
  4. Step 4: Simplify right side
    9,591.48x = 102,961,197.22
  5. Step 5: Solve for x
    x = 102,961,197.22/9,591.48
  6. Step 6: Final answer
    x = 10,734.65

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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.