Home / 14,070.28-19,408.52-9,290.27

Finding the Fourth Proportional to 14,070.28, 19,408.52 and 9,290.27

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Solution

The fourth proportional to 14,070.28, 19,408.52 and 9,290.27 is: 12,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.28 : 19,408.52 = 9,290.27 : x
  2. Step 2: Convert to fraction form
    14,070.28/19,408.52 = 9,290.27/x
  3. Step 3: Cross multiply
    14,070.28x = 19,408.52 × 9,290.27
  4. Step 4: Simplify right side
    14,070.28x = 180,310,317.28
  5. Step 5: Solve for x
    x = 180,310,317.28/14,070.28
  6. Step 6: Final answer
    x = 12,814.98

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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.