Home / 14,438.58-21,568.71-10,455.60

Finding the Fourth Proportional to 14,438.58, 21,568.71 and 10,455.60

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Solution

The fourth proportional to 14,438.58, 21,568.71 and 10,455.60 is: 15,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.58 : 21,568.71 = 10,455.60 : x
  2. Step 2: Convert to fraction form
    14,438.58/21,568.71 = 10,455.60/x
  3. Step 3: Cross multiply
    14,438.58x = 21,568.71 × 10,455.60
  4. Step 4: Simplify right side
    14,438.58x = 225,513,804.28
  5. Step 5: Solve for x
    x = 225,513,804.28/14,438.58
  6. Step 6: Final answer
    x = 15,618.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.