Home / 13,435.07-20,153.07-3,574.40

Finding the Fourth Proportional to 13,435.07, 20,153.07 and 3,574.40

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Solution

The fourth proportional to 13,435.07, 20,153.07 and 3,574.40 is: 5,361.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.07 : 20,153.07 = 3,574.40 : x
  2. Step 2: Convert to fraction form
    13,435.07/20,153.07 = 3,574.40/x
  3. Step 3: Cross multiply
    13,435.07x = 20,153.07 × 3,574.40
  4. Step 4: Simplify right side
    13,435.07x = 72,035,032.64
  5. Step 5: Solve for x
    x = 72,035,032.64/13,435.07
  6. Step 6: Final answer
    x = 5,361.72

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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.