Home / 14,103.96-19,459.08-9,389.04

Finding the Fourth Proportional to 14,103.96, 19,459.08 and 9,389.04

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Solution

The fourth proportional to 14,103.96, 19,459.08 and 9,389.04 is: 12,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.96 : 19,459.08 = 9,389.04 : x
  2. Step 2: Convert to fraction form
    14,103.96/19,459.08 = 9,389.04/x
  3. Step 3: Cross multiply
    14,103.96x = 19,459.08 × 9,389.04
  4. Step 4: Simplify right side
    14,103.96x = 182,702,080.48
  5. Step 5: Solve for x
    x = 182,702,080.48/14,103.96
  6. Step 6: Final answer
    x = 12,953.96

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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.