Home / 13,395.17-20,035.32-9,655.40

Finding the Fourth Proportional to 13,395.17, 20,035.32 and 9,655.40

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Solution

The fourth proportional to 13,395.17, 20,035.32 and 9,655.40 is: 14,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395.17 : 20,035.32 = 9,655.40 : x
  2. Step 2: Convert to fraction form
    13,395.17/20,035.32 = 9,655.40/x
  3. Step 3: Cross multiply
    13,395.17x = 20,035.32 × 9,655.40
  4. Step 4: Simplify right side
    13,395.17x = 193,448,928.55
  5. Step 5: Solve for x
    x = 193,448,928.55/13,395.17
  6. Step 6: Final answer
    x = 14,441.70

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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.