Home / 15,990.32-22,066.43-9,277.10

Finding the Fourth Proportional to 15,990.32, 22,066.43 and 9,277.10

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Solution

The fourth proportional to 15,990.32, 22,066.43 and 9,277.10 is: 12,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.32 : 22,066.43 = 9,277.10 : x
  2. Step 2: Convert to fraction form
    15,990.32/22,066.43 = 9,277.10/x
  3. Step 3: Cross multiply
    15,990.32x = 22,066.43 × 9,277.10
  4. Step 4: Simplify right side
    15,990.32x = 204,712,321.04
  5. Step 5: Solve for x
    x = 204,712,321.04/15,990.32
  6. Step 6: Final answer
    x = 12,802.27

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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.