Home / 14,402.53-19,878.97-9,622.72

Finding the Fourth Proportional to 14,402.53, 19,878.97 and 9,622.72

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Solution

The fourth proportional to 14,402.53, 19,878.97 and 9,622.72 is: 13,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.53 : 19,878.97 = 9,622.72 : x
  2. Step 2: Convert to fraction form
    14,402.53/19,878.97 = 9,622.72/x
  3. Step 3: Cross multiply
    14,402.53x = 19,878.97 × 9,622.72
  4. Step 4: Simplify right side
    14,402.53x = 191,289,762.20
  5. Step 5: Solve for x
    x = 191,289,762.20/14,402.53
  6. Step 6: Final answer
    x = 13,281.68

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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.