Home / 13,364.10-18,444.41-7,697.75

Finding the Fourth Proportional to 13,364.10, 18,444.41 and 7,697.75

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Solution

The fourth proportional to 13,364.10, 18,444.41 and 7,697.75 is: 10,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.10 : 18,444.41 = 7,697.75 : x
  2. Step 2: Convert to fraction form
    13,364.10/18,444.41 = 7,697.75/x
  3. Step 3: Cross multiply
    13,364.10x = 18,444.41 × 7,697.75
  4. Step 4: Simplify right side
    13,364.10x = 141,980,355.23
  5. Step 5: Solve for x
    x = 141,980,355.23/13,364.10
  6. Step 6: Final answer
    x = 10,624.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.