Home / 19,518.96-29,281.44-6,368.28

Finding the Fourth Proportional to 19,518.96, 29,281.44 and 6,368.28

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Solution

The fourth proportional to 19,518.96, 29,281.44 and 6,368.28 is: 9,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.96 : 29,281.44 = 6,368.28 : x
  2. Step 2: Convert to fraction form
    19,518.96/29,281.44 = 6,368.28/x
  3. Step 3: Cross multiply
    19,518.96x = 29,281.44 × 6,368.28
  4. Step 4: Simplify right side
    19,518.96x = 186,472,408.72
  5. Step 5: Solve for x
    x = 186,472,408.72/19,518.96
  6. Step 6: Final answer
    x = 9,553.40

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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.