Home / 15,330.96-22,987.14-9,998.10

Finding the Fourth Proportional to 15,330.96, 22,987.14 and 9,998.10

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Solution

The fourth proportional to 15,330.96, 22,987.14 and 9,998.10 is: 14,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330.96 : 22,987.14 = 9,998.10 : x
  2. Step 2: Convert to fraction form
    15,330.96/22,987.14 = 9,998.10/x
  3. Step 3: Cross multiply
    15,330.96x = 22,987.14 × 9,998.10
  4. Step 4: Simplify right side
    15,330.96x = 229,827,724.43
  5. Step 5: Solve for x
    x = 229,827,724.43/15,330.96
  6. Step 6: Final answer
    x = 14,991.08

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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.