Home / 14,774.40-20,494.08-14,277.12

Finding the Fourth Proportional to 14,774.40, 20,494.08 and 14,277.12

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Solution

The fourth proportional to 14,774.40, 20,494.08 and 14,277.12 is: 19,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,774.40 : 20,494.08 = 14,277.12 : x
  2. Step 2: Convert to fraction form
    14,774.40/20,494.08 = 14,277.12/x
  3. Step 3: Cross multiply
    14,774.40x = 20,494.08 × 14,277.12
  4. Step 4: Simplify right side
    14,774.40x = 292,596,439.45
  5. Step 5: Solve for x
    x = 292,596,439.45/14,774.40
  6. Step 6: Final answer
    x = 19,804.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.