Home / 14,639.84-20,205.96-9,925.64

Finding the Fourth Proportional to 14,639.84, 20,205.96 and 9,925.64

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Solution

The fourth proportional to 14,639.84, 20,205.96 and 9,925.64 is: 13,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.84 : 20,205.96 = 9,925.64 : x
  2. Step 2: Convert to fraction form
    14,639.84/20,205.96 = 9,925.64/x
  3. Step 3: Cross multiply
    14,639.84x = 20,205.96 × 9,925.64
  4. Step 4: Simplify right side
    14,639.84x = 200,557,084.81
  5. Step 5: Solve for x
    x = 200,557,084.81/14,639.84
  6. Step 6: Final answer
    x = 13,699.40

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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.