Home / 9,994.47-14,979.28-5,615.07

Finding the Fourth Proportional to 9,994.47, 14,979.28 and 5,615.07

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Solution

The fourth proportional to 9,994.47, 14,979.28 and 5,615.07 is: 8,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.47 : 14,979.28 = 5,615.07 : x
  2. Step 2: Convert to fraction form
    9,994.47/14,979.28 = 5,615.07/x
  3. Step 3: Cross multiply
    9,994.47x = 14,979.28 × 5,615.07
  4. Step 4: Simplify right side
    9,994.47x = 84,109,705.75
  5. Step 5: Solve for x
    x = 84,109,705.75/9,994.47
  6. Step 6: Final answer
    x = 8,415.62

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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.